Error Codes

The following table describes error codes.

**Table 1** Error code description
Status Code	Error Code	Error Message	Description	Troubleshooting
400	DBS.200001	Parameter error.	Parameter error.	Check whether the transferred parameters or URLs are correct.
400	DBS.200004	Parameter error.	Parameter error.	Check whether the transferred parameters or URLs are correct.
400	DBS.200006	The request is null. Enter a request parameter.	The request is null. Enter a request parameter.	Enter a request parameter and try again later.
400	DBS.200021	Invalid DB instance name.	Invalid DB instance name.	Enter a valid instance name according to the instance name description.
400	DBS.200023	Storage space is out of range.	Storage space is out of range.	Check whether the storage space is correct.
400	DBS.200024	Invalid region.	Invalid region.	Enter a correct region ID.
400	DBS.200025	Invalid AZ.	Invalid AZ.	Check whether the AZ parameter is correct and whether the AZ exists.
400	DBS.200026	Invalid storage type.	Invalid storage type.	Check whether the storage type is correct and meets the requirements.
400	DBS.200027	Storage space must be a multiple of 10.	Storage space must be a multiple of 10.	Check whether the storage space is a multiple of 10.
400	DBS.200040	The DB engine or version is not supported.	The DB engine or version is not supported.	Check whether the DB engine or version is supported.
400	DBS.200041	Invalid database version.	Invalid database version.	Check whether the database version is supported.
400	DBS.200042	The DB engine does not exist.	The DB engine or version is not supported.	Check whether the database type or version is correct.
400	DBS.200043	Invalid synchronize model.	Invalid synchronize model.	Check whether the synchronization mode is correct.
400	DBS.200048	Invalid VPC ID.	Invalid VPC ID.	Check whether the VPC ID is correct.
400	DBS.200049	Invalid subnet ID.	Invalid subnet ID.	Check whether the subnet ID is correct.
400	DBS.200051	Invalid HA mode.	Invalid HA mode.	Check whether the HA mode is correct.
400	DBS.200052	Invalid database root password.	Invalid database root password.	Check whether the password of user root meets the requirements.
400	DBS.200053	The selected specifications do not exist.	The selected specifications do not exist.	Check whether the selected specifications are correct.
400	DBS.200054	Invalid specifications.	Invalid specifications.	Check whether the specification code is correct, whether the specification exists in the current AZ, and whether the specification is supported.
400	DBS.200056	The maximum number of nodes has been reached.	The maximum number of nodes has been reached.	Check whether the maximum number of nodes has been reached.
400	DBS.200063	Invalid cluster mode.	Invalid cluster mode.	Check whether the cluster mode is valid.
400	DBS.200068	This is a weak password. Please enter a strong password.	This is a weak password. Enter a strong password.	Enter a strong password as promoted.
400	DBS.200085	The quota is insufficient.	The quota is insufficient.	Check whether the quota is sufficient.
400	DBS.200086	This operation is not allowed by the DB instance status.	This operation is not allowed by the DB instance status.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.200087	The number of tags added for the DB instance has reached the quota.	The number of tags added for the DB instance has reached the quota.	Check whether the number of tags added for the DB instance has reached the quota.
400	DBS.200098	The tag already exists.	The tag already exists.	Check whether the tag exists.
400	DBS.200175	The engine version is not permitted to enable force switch.	Switchover cannot be enabled in the current engine version.	Check whether the engine version is later than 1.2.2.
400	DBS.200203	Failed to query the DB instance.	Failed to query the DB instance.	Check whether the queried instance exists or query the instance again.
400	DBS.200302	Storage space must be a multiple of 10.	Storage space must be a multiple of 10.	Check whether the storage space is a multiple of 10.
400	DBS.200303	The scale-up times have reached the maximum value.	The scale-up times have reached the maximum value.	Check whether the number of scale-out times reaches the maximum value.
400	DBS.200306	The new storage space must be greater than or equal to the original storage space.	The new storage space must be greater than or equal to the original storage space.	Check whether the new storage space must be greater than or equal to the original storage space.
400	DBS.200308	The new storage space after scaling up cannot be greater than that of the primary DB instance.	The new storage space after scaling up cannot be greater than that of the primary DB instance.	Check whether the new storage space after scaling up is greater than that of the primary instance.
400	DBS.200405	Parameter error.	Parameter error.	Check whether the transferred parameters or URLs are correct.
400	DBS.200461	The parameter value is out of range.	The parameter value is out of range.	Check whether the parameter value is out of range.
400	DBS.200475	New password should not equal to the old one.	New password should not equal to the old one.	Check whether the new password meets the requirements.
400	DBS.200504	Invalid database version.	Invalid database version.	Check whether the database version is supported.
400	DBS.200506	Invalid KMS key ID.	Invalid KMS.	Check whether the KMS is correct.
400	DBS.200507	The KMS key is invalid or has been deleted.	The KMS key is invalid or has been deleted.	Check whether the KMS is correct.
400	DBS.200543	The job does not exist.	The job does not exist.	Check whether the job is correct.
400	DBS.200823	The database does not exist.	The database does not exist.	Check whether the database name is valid.
400	DBS.200824	The database account does not exist.	The database account does not exist.	Check whether the database username is valid.
400	DBS.200825	Modifying permission is not allowed on read replicas.	Modifying permission is not allowed on read replicas.	Check whether you have the permission to perform this operation.
400	DBS.200943	Agent async request failed.	Failed to invoke the agent asynchronous request.	Check whether the Agent connection is normal.
400	DBS.201004	The backup type does not exist.	The backup type does not exist.	Check the backup type.
400	DBS.201014	This operation is not allowed by the DB instance status.	This operation is not allowed by the DB instance status.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.201019	The restoration task does not exist.	The restoration task does not exist.	Check whether there is a restoration task or data confirmation after restoration is required.
400	DBS.201035	The database name must be different from the original and target database names.	The database name must be different from the original and target database names.	Check whether the database name is correct.
400	DBS.201101	Invalid backup cycle.	Invalid backup cycle.	Check whether the backup cycle is correct and meets the requirements.
400	DBS.201103	Invalid backup start time.	Invalid backup start time.	Check whether the backup start time meets the requirements and whether the requirements between the backup start time and end time are correct.
400	DBS.201106	Invalid retention days.	Invalid retention days.	Check whether the retention days are valid.
400	DBS.201203	The backup file does not exist.	The backup file does not exist.	Check whether the backup exists and matches the instance.
400	DBS.201207	The DB engine or version is not supported.	The DB engine or version is not supported.	Check whether the DB engine or version is supported.
400	DBS.201208	The operation is not allowed by the backup status.	The operation is not allowed by the backup status.	View the operation constraints and perform operations according to the constraints.
400	DBS.201210	Invalid backup name.	Invalid backup name.	Check whether the backup object name is valid.
400	DBS.212002	Incorrect parameter group quota.	Incorrect parameter template quota.	Check whether parameter template quota is configured correctly.
400	DBS.212003	Operation not allowed.	Operation not allowed.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.212004	Parameter group update error.	Parameter template update error.	Check whether the parameter is correctly specified.
400	DBS.212005	The node does not belong to the group.	The node does not belong to the group.	Check whether the node and the group to which the node belongs are correct.
400	DBS.212007	The DB engine does not exist.	The DB engine does not exist.	Check whether the DB engine is correct.
400	DBS.212008	The DB engine is not supported.	The DB engine is not supported.	Check whether the DB engine is supported.
400	DBS.212009	Task processing failed.	Task processing failed.	Try again later or contact technical support.
400	DBS.212010	The parameter group is being applied.	The parameter template is being applied.	Try again later.
400	DBS.212011	Application failed.	Application failed.	Try again or contact technical support.
400	DBS.212012	The parameter does not exist.	The parameter does not exist.	Check whether the parameter is correctly specified.
400	DBS.212014	The node does not have a default parameter group.	The node does not have a default parameter template.	Check the default parameter template.
400	DBS.212015	Partial success.	Partial success	Check the failure cause or contact technical support.
400	DBS.212016	Parameter update failed.	Parameter update failed.	Check whether the parameter is correctly specified.
400	DBS.212017	Invalid parameter.	Invalid parameter.	Check whether the parameter is correctly specified.
400	DBS.212025	Update failed.	Update failed.	Check the update failure cause or contact technical support.
400	DBS.212030	The parameter template name already exists.	The parameter template name already exists.	Check whether the parameter is correctly specified.
400	DBS.212032	The parameter template has been applied.	The parameter template has been applied.	Check whether the parameter template is correct.
400	DBS.212037	Parameters are incorrectly set.	Parameters are incorrectly set.	Check whether the parameter settings are correct.
400	DBS.216028	Insufficient internal resource quota.	Insufficient internal resource quota.	Check whether the internal resource quota is sufficient.
400	DBS.216030	The queried node does not belong to the current instance.	The queried node does not belong to the current instance.	Check whether the node information is correct.
400	DBS.280001	Parameter error.	Parameter error.	Check whether the parameter is correctly specified.
400	DBS.280006	The request is null. Enter a request parameter.	The request is null. Enter a request parameter.	Check whether the request parameter is correct.
400	DBS.280124	Invalid backup file id	The backup file ID is invalid.	Check whether the backup file ID is valid.
400	DBS.280127	Invalid backup description.	Invalid backup description.	Check whether the backup description is valid.
400	DBS.280128	The database information of the DB instance is not found. Check the database name to see whether the instance database information exists.	The database information of the DB instance cannot be found.	Check whether the database name is correct.
400	DBS.280203	This is a weak password. Please enter a strong password.	This is a weak password. Enter a strong password.	Enter a strong password as promoted.
400	DBS.280204	Invalid parameter.	Invalid parameter.	Check whether the parameter is correctly specified.
400	DBS.280214	Invalid retention days.	Invalid retention days.	Check whether the retention days are valid.
400	DBS.280215	Invalid backup cycle.	Invalid backup cycle.	Check whether the backup cycle is valid.
400	DBS.280216	Invalid backup start time.	Invalid backup start time.	Check whether the backup start time is valid.
400	DBS.280234	Invalid DB instance name.	Invalid DB instance name.	Check whether the instance name is valid.
400	DBS.280235	Invalid database type.	Invalid database type.	Check whether the database type is correct.
400	DBS.280236	Invalid database version.	Invalid database version.	Check whether the database version is correct.
400	DBS.280237	Datastore not specified.	Datastore not specified.	Check whether the datastore is valid.
400	DBS.280238	The DB engine or version is not supported.	The DB engine or version is not supported.	Check whether the DB engine or version is supported.
400	DBS.280239	Invalid specifications.	Invalid specifications.	Check whether the selected specifications are correct.
400	DBS.280241	Invalid storage type.	Invalid storage type.	Check whether the storage type is correct and meets the requirements.
400	DBS.280242	Storage space is out of range.	Storage space is out of range.	Check whether the storage space is correct.
400	DBS.280246	Invalid database root password.	Invalid database root password.	Check whether the password of user root meets the requirements.
400	DBS.280250	Invalid backup retention days.	The retention period of backup files is invalid.	Check whether the retention days are valid.
400	DBS.280251	Invalid backup cycle.	Invalid backup cycle.	Check whether the backup cycle meets the requirements.
400	DBS.280253	Invalid backup start time.	Invalid backup start time.	Check whether the backup start time meets the requirements and whether the requirements between the backup start time and end time are correct.
400	DBS.280270	The parameter does not exist.	The parameter does not exist.	Check whether the parameter is correctly specified.
400	DBS.280271	The parameter value is out of range.	The parameter value is out of range.	Check whether the parameter is correctly specified.
400	DBS.280272	The tag key must be unique.	The tag key must be unique.	Check whether the tag key is unique.
400	DBS.280277	Invalid object name.	The object name is invalid.	Check whether the object name is valid.
400	DBS.280285	Invalid AZ.	Invalid AZ.	Check whether the AZ parameter is correct and whether the AZ exists.
400	DBS.280288	Invalid FlavorRef.	Invalid flavor.	Check whether the flavor is valid.
400	DBS.280311	Invalid storage space size.	Invalid storage space.	Check whether the storage space is valid.
400	DBS.280325	Invalid storage information.	Invalid storage information.	Check whether the storage information is valid.
400	DBS.280342	Invalid cluster mode.	Invalid cluster mode.	Check whether the cluster mode is valid.
400	DBS.280364	Invalid database port.	Invalid database port.	Check whether the database port is valid.
400	DBS.280365	Invalid billing mode.	Invalid billing mode.	Check whether the billing mode is correct.
400	DBS.280402	Invalid HA mode.	Invalid HA mode.	Check whether the HA mode is valid.
400	DBS.280404	Invalid DB instance ID or node ID format.	Invalid DB instance ID or node ID format.	Check whether the instance ID is valid.
400	DBS.280407	Invalid node ID.	The node ID is invalid.	Check whether the node ID is valid.
400	DBS.280416	Invalid backup end time.	Invalid backup end time.	Check whether the backup end time is valid.
400	DBS.280432	Invalid duration for yearly/monthly DB instances.	Invalid duration for yearly/monthly DB instances.	Check whether the yearly/monthly duration is correct.
400	DBS.280433	Invalid enterprise project ID.	Invalid enterprise project ID.	Check whether the enterprise project ID is valid.
400	DBS.280434	Invalid specification code.	Invalid specification code.	Check whether the specification code is valid.
400	DBS.280439	Invalid records. The number of records must be an integer less than or equal to 100.	Invalid value. Enter a positive integer of no more than 100.	Check whether the number of queried records is valid.
400	DBS.280440	Invalid offset, please enter a non negative integer.	Invalid offset. Enter a positive integer or zero.	Check whether the offset is valid.
400	DBS.280447	Invalid time zone.	The time zone is invalid.	Check whether the parameter is correctly specified.
400	DBS.280448	The storage type is sold out.	Storage type sold out.	Select another storage type or switch to another AZ or region.
400	DBS.280449	This operation cannot be performed because the object is frozen.	Operation not allowed on frozen objects.	Unfreeze the instance and perform the operation again.
400	DBS.280450	The DB instance specifications are sold out.	Instance specifications sold out.	Select another specifications or switch to another AZ or region.
400	DBS.280600	Invalid coordinator node quantity.	Invalid number of coordinating nodes.	Check whether the number of coordinator nodes is valid.
400	DBS.280601	Invalid shard quantity.	Invalid shard quantity.	Check whether the number of shards is valid.
400	DBS.280604	Invalid number of added shards for cluster capacity expansion.	Invalid number of added shards.	Check whether the number of shards to be added is valid.
400	DBS.280618	Differential backup cycle invalid.	Differential backup cycle invalid.	Check whether the differential backup cycle is valid.
400	DBS.280628	Invalid replica count.	Invalid number of replicas.	Check whether the number of replicas is valid.
400	DBS.280629	The database version does not support two-replica instances.	The database version does not support two-replica instances.	Check whether the number of replicas is valid, or change the database version and try again.
400	DBS.280630	Two-replica instances can only be deployed within a single AZ.	Two-replica instances can only be deployed within a single AZ.	Check whether the two-replica instances are deployed within a single AZ.
400	DBS.280631	Invalid database name.	Invalid database name.	Check whether the database name is valid.
400	DBS.280632	Invalid schema.	Invalid schema.	Check whether the database schema is valid.
400	DBS.280633	Invalid source node group.	Invalid source node group.	Check whether the source node group is valid.
400	DBS.280634	Invalid target node group.	Invalid target node group.	Check whether the target node group is valid.
400	DBS.280635	Invalid Solution	The solution is invalid.	Check whether the parameter is correctly specified.
400	DBS.290000	Parameter error.	Parameter error.	Check whether the transferred parameters or URLs are correct and meet the requirements.
400	DBS.290001	Parameter error.	Parameter error.	Check whether the parameter is correctly specified.
403	DBS.200010	The DB instance ID or user ID may be null, or the operation is not authorized.	The DB instance ID or user ID may be null, or the operation is not authorized.	Check whether the instance ID or user ID is correct, or whether the access permissions are authorized.
403	DBS.200044	Resource not found or permission denied.	Resource not found or permission denied.	Change the resource ID or check the access permissions.
403	DBS.200174	No permission to enable force switch.	No permissions to configure forcible switchover.	Check whether you have permissions to configure forcible switchover.
403	DBS.200604	The DB instance ID or user ID may be null, or the operation is not authorized.	The DB instance ID or user ID may be null, or the operation is not authorized.	Check whether the instance ID or user ID is correct, or whether the access permissions are authorized.
403	DBS.200810	You are not allowed to create databases on read replicas.	You are not allowed to create databases on read replicas.	Check what operations are allowed on read replicas.
403	DBS.200819	You are not allowed to delete database users on read replicas.	You are not allowed to delete database users on read replicas.	Check what operations are allowed on read replicas.
403	DBS.280020	The account is restricted.	Your account is restricted.	Check whether the account has sufficient permissions.
400	DBS.280800	This operation is not allowed by the cluster status.	This operation is not allowed by the cluster status.	Check whether the cluster is running properly.
400	DBS.280804	This operation is not allowed for primary/standby instances with kernel version 1.x	This operation is not allowed for primary/standby instances with kernel version 1.x.	Check the kernel version of the instance. Upgrade the kernel version if necessary.
400	DBS.280828	The component ID must be the standby DN ID.	The component ID must be the standby DN ID.	Check the component ID status. The primary DN ID is not allowed.
403	DBS.201003	Resource not found or permission denied.	Resource not found or permission denied.	Change the resource ID or check the required access permissions.
403	DBS.280015	Resource not found or permission denied.	Resource not found or permission denied.	Change the resource ID or check the required access permissions.
403	DBS.280056	Invalid token.	Invalid token.	Check whether the token is correct, or obtain a new token and try again.
404	DBS.200002	The DB instance does not exist.	The DB instance does not exist.	Check whether the tenant has the DB instance, whether the DB instance name or ID is correct, and whether the DB instance exists.
404	DBS.200008	The ECS information of the DB instance cannot be found.	The ECS information of the DB instance cannot be found.	Check whether the instance ECS is normal.
404	DBS.200013	The original DB instance does not exist.	The original DB instance does not exist.	Check whether the original instance exists.
404	DBS.200045	The DB instance does not exist.	The DB instance does not exist.	Check whether the tenant has the DB instance, whether the DB instance name or ID is correct, and whether the DB instance exists.
404	DBS.200050	The security group does not exist or does not belong to the VPC.	The security group does not exist or does not belong to the VPC.	Check whether the security group is correctly configured.
404	DBS.200408	The DB instance abnormal, no normal nodes.	The instance is abnormal and no normal node exists.	Check the instance or node status.
404	DBS.200470	The region or AZ does not exist.	The region or AZ does not exist.	Enter a correct region ID or an AZ.
404	DBS.200501	The subnet does not exist or does not belong to the VPC.	The subnet does not exist or does not belong to the VPC.	Check whether the subnet is correct.
404	DBS.200503	The VPC does not exist or does not belong to the user.	The VPC does not exist or does not belong to the user.	Check whether the VPC is correct.
404	DBS.200602	The DB instance does not exist.	The DB instance does not exist.	Check whether the tenant has the DB instance, whether the DB instance name or ID is correct, and whether the DB instance exists.
404	DBS.201010	The backup file does not exist.	The backup file does not exist.	Check whether the backup exists and matches the instance.
404	DBS.201028	The DB instance does not exist.	The DB instance does not exist.	Check whether the tenant has the DB instance, whether the DB instance name or ID is correct, and whether the DB instance exists.
404	DBS.212001	The parameter group does not exist.	The parameter template does not exist.	Check whether the parameter template exists.
404	DBS.212013	The object does not exist.	The object does not exist.	Check whether the object exists.
404	DBS.290002	The selected specifications do not exist.	The selected specifications do not exist.	Check whether the selected specifications are correct.
404	DBS.290005	The DB instance does not exist.	The DB instance does not exist.	Check whether the tenant has the DB instance, whether the DB instance name or ID is correct, and whether the DB instance exists.
404	DBS.290011	The DB instance does not exist.	The DB instance does not exist.	Check whether the tenant has the DB instance, whether the DB instance name or ID is correct, and whether the DB instance exists.
404	DBS.290013	Resource not found.	Resource not found.	Check whether the transferred parameters are correct and whether the DB instance exists.
409	DBS.200011	Another operation is being performed on the DB instance or the DB instance is faulty.	Another operation is being performed on the DB instance or the DB instance is faulty.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
409	DBS.200019	This operation conflicts with the currently running task, please troubleshoot by yourself.	This operation conflicts with the task that is being performed.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
409	DBS.200022	The DB instance name already exists.	The DB instance name already exists.	Enter an instance name that is different from existing instance names.
409	DBS.200047	Another operation is being performed on the DB instance or the DB instance is faulty.	Another operation is being performed on the DB instance or the DB instance is faulty.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
409	DBS.200316	This operation cannot be performed because the DB instance status is Storage full.	This operation cannot be performed because the DB instance status is Storage full.	Check whether the instance storage space is full.
409	DBS.200402	Invalid operation.	Invalid operation.	Check whether the operation is valid.
409	DBS.200826	The database name already exists.	The database name already exists.	Check whether the database name is valid.
409	DBS.200827	The database user already exists.	The database user already exists.	Check whether the database user is valid.
409	DBS.200828	Built-in database accounts cannot be edited.	This is an internal account of the database and cannot be operated by users.	Check whether you have required operation permissions.
409	DBS.201201	The backup name already exists.	The backup name already exists.	Check whether the object exists.
409	DBS.201202	Another operation is being performed on the DB instance or the DB instance is faulty.	Another operation is being performed on the DB instance or the DB instance is faulty.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
409	DBS.201205	Backup is in progress, please wait.	Backup is in progress.	Wait until the backup is complete and try again.
409	DBS.212006	Another operation is being performed on the DB instance or the DB instance is faulty.	Another operation is being performed on the DB instance or the DB instance is faulty.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
409	DBS.212033	Failed to change parameter template values because the DB instance is currently being operated.	Failed to change parameter template values because the DB instance is currently being operated.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
409	DBS.280011	This operation cannot be performed because the DB instance is abnormal or has been deleted.	The DB instance is abnormal or has been deleted.	Check whether the instance status is normal or whether the instance has been deleted.
409	DBS.280406	Operation not allowed by the DB instance type or status.	Operation not allowed by the DB instance type or status.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
413	DBS.200046	The number of DB instances has reached the quota.	The number of DB instances has reached the quota.	Check whether the number of DB instances has reached the quota.
413	DBS.290003	The number of DB instances has reached the quota.	The number of DB instances has reached the quota.	Check whether the number of DB instances has reached the quota.
422	DBS.212019	The parameter cannot be processed.	Parameter error.	Check whether the parameter is correctly specified.
500	DBS.108000	Server failure.	Server failure.	Contact the customer service administrator or try again.
500	DBS.108002	Server failure.	Server failure.	Contact the customer service administrator or try again.
500	DBS.108005	Server failure.	Server failure.	Contact the customer service administrator or try again.
500	DBS.200005	Server failure.	Server failure.	Contact the customer service administrator or try again.
500	DBS.200208	Server failure.	Server failure.	Contact the customer service administrator or try again.
500	DBS.200811	Failed to create the database.	Failed to create the database.	Check the failure cause or contact technical support.
500	DBS.200821	Failed to modify database user permissions.	Failed to modify database user permissions.	Check whether you have required permissions.
500	DBS.213002	Failed to process the request.	Failed to process the request.	Contact the customer service administrator or try again.
500	DBS.213004	Failed to process the request.	Failed to process the request.	Contact the customer service administrator or try again.
500	DBS.290006	Failed to process the request.	Failed to process the request.	Contact the customer service administrator or try again.
500	DBS.290015	Failed to process the request.	Failed to process the request.	Contact the customer service administrator or try again.
400	DBS.280266	Storage space must be a multiple of 10.	Storage space must be a multiple of 10.	Check whether the storage space is a multiple of 10.
400	DBS.280611	The storage space must be a multiple of (Number of shards x 40 GB).	The storage space must be a multiple of (Number of shards x 40 GB).	Check whether the storage space meets requirements.
400	DBS.280612	Storage space excess max limit for current shard number.	The selected storage space exceeds the upper limit.	Check whether the storage space meets requirements.
400	DBS.280243	Invalid region.	Invalid region.	Enter a correct region ID.
400	DBS.200505	The subnet does not exist or does not belong to the VPC.	The subnet does not exist or does not belong to the VPC.	Enter a correct subnet and try again later.
404	DBS.200502	The security group does not exist or does not belong to the VPC.	The security group does not exist or does not belong to the VPC.	Enter a correct security group and try again later.
400	DBS.200065	Invalid retention days.	Invalid retention days.	Check whether the retention days are valid.
400	DBS.280602	Invalid HA consistency.	Invalid HA consistency.	Check whether the HA consistency is valid.
400	DBS.280262	Invalid synchronize model.	Invalid synchronize model.	Check whether the synchronize model is valid.
400	DBS.200057	Invalid parameter template ID.	Invalid parameter template ID.	Enter a correct parameter template ID and try again later.
404	DBS.200058	The parameter template does not exist.	The parameter template does not exist.	Check whether the parameter template exists.
400	DBS.200059	Invalid database port.	Invalid database port.	Check whether the database port is valid.
400	DBS.280654	The Ha instance is not supported to cancel parallel restore.	Parallel restoration cannot be canceled for primary/standby DB instances.	Cancel parallel restoration in the request body based on the API Reference.
400	DBS.280613	Please use specifications of data nodes.	Use the specifications of data nodes.	Check whether the specifications of data nodes are correct.
404	DBS.200355	Resource not found.	Resource not found.	Check whether the resources exist and try again.
400	DBS.200061	Invalid billing mode.	Invalid billing mode.	Check whether the billing mode is valid.
400	DBS.201218	The backup file is not manual.	The backup file is not a manual backup file.	Select a manual backup file.
404	DBS.280022	The DB instance does not exist.	The DB instance does not exist.	Check whether the tenant has the DB instance, whether the DB instance name or ID is correct, and whether the DB instance exists.
400	DBS.280408	Invalid project ID.	Invalid project ID.	Check whether the project ID is valid.
400	DBS.280607	Exceeding the upper limit of data nodes number in a single expand request.	The number of data nodes to be added at a time exceeds the upper limit.	Check whether the number of data nodes to be added at a time reaches the upper limit.
400	DBS.200082	The available IP addresses in the selected subnet are insufficient.	The available IP addresses in the selected subnet are insufficient.	Enter a correct subnet where there are available IP addresses and try again later.
400	DBS.280606	Expanding coordinator nodes and data nodes at the same time is not supported currently.	Coordinator nodes and data nodes cannot be added at the same time.	View the related constraints and try again.
400	DBS.280608	Exceeding the upper limit of coordinator nodes number in a single expand request.	The number of coordinator nodes to be added at a time exceeds the upper limit.	Check whether the number of coordinator nodes to be added at a time reaches the upper limit.
400	DBS.280609	Expand cluster request must contain at least one node type to expand.	At least one type of node needs to be added.	View the related constraints and try again.
400	DBS.301024	The backup file is not normal.	The backup file status is abnormal.	Check the status of the backup file.
400	DBS.280651	Failed to create all DB schemas.	Failed to create all DB schemas.	Check the input schema parameters and try again.
400	DBS.280652	Failed to create some DB schemas.	Failed to create some DB schemas.	Check the input schema parameters and try again.
400	DBS.200029	Incorrect username or password parameter.	Incorrect username or password.	Enter the correct username and password.
400	DBS.280132	Database name not entered.	The database name is not specified.	Enter a database name.
400	DBS.280661	Illegal instance specification, which does not exist or does not match the instance	Illegal instance specification, which does not exist or does not match the instance.	Check the input specification parameters based on the instance.
400	DBS.280626	DR relationship established between primary and DR instances.	A DR relationship has been established between primary and DR instances.	Check whether a DR relationship has been established between primary and DR instances.
400	DBS.280638	The DR relationship does not exist.	The DR relationship does not exist.	Check whether the DR relationship exists.
400	DBS.280806	Cross-region DR operation failed.	Cross-region DR operation failed.	Check whether the project ID of the current region is valid.
400	DBS.280667	Invalid shard component ID.	Invalid shard component ID.	Check whether the component ID is valid.
400	DBS.280668	Component IDs are from the same shard.	Component IDs are from the same shard.	Check whether component IDs are from different shards.
400	DBS.280676	The component ID does not belong to the current node ID.	The component ID does not belong to the current node ID.	Check whether the component ID belongs to the corresponding node ID during the primary/standby DN switchover.
400	DBS.200478	Failed to change the password.	Failed to change the password.	Check whether the password is correct.
400	DBS.200062	Invalid database username.	Invalid database username.	Enter a valid database username.
400	DBS.280653	Invalid database template. Use the template0.	Invalid database template. Use the template0.	Enter a valid template name.
400	DBS.200064	Invalid retention days.	Invalid retention days.	Set the retention period to a valid value.
400	DBS.06010001	Instance status is invalid.	The instance status is invalid.	Check the instance status.
400	DBS.06020003	An operation that conflicts with the current operation is in progress.	An operation that conflicts with the current operation is in progress.	Check whether another operation is being performed on the instance.
400	DBS.06020152	Incremental restoration in progress for the primary instance. Perform this operation when there is no DR relationship.	Incremental restoration in progress for the DR instance. Select an instance without a DR relationship as DR instance.	Check the DR status of the current instance.
400	DBS.06020153	Incremental restoration failed for the DR instance. Perform this operation when there is no DR relationship.	Incremental restoration failed for the DR instance. Select an instance without a DR relationship as DR instance.	Check the DR status of the current instance.
400	DBS.06020154	Promotion to primary in progress for the DR instance. Perform this operation when there is no DR relationship.	Promotion to primary in progress for the DR instance. Perform this operation when there is no DR relationship.	Check the DR status of the current instance.
400	DBS.06020175	Incremental synchronization failed for the primary instance. Perform this operation when incremental synchronization is in progress.	Incremental synchronization failed for the primary instance. Perform this operation when incremental synchronization is in progress.	Incremental synchronization failed for the primary instance. Perform this operation when incremental synchronization is in progress.
400	DBS.06020177	Switchover failed for the DR instance. Perform this operation when incremental restoration is in progress.	Switchover failed for the DR instance. Perform this operation when incremental restoration is in progress.	Switchover failed for the DR instance. Perform this operation when incremental restoration is in progress.
400	DBS.06020180	Incremental restoration failed for the DR instance. Perform this operation when incremental restoration is in progress.	Incremental restoration failed for the DR instance. Perform this operation when incremental restoration is in progress.	Incremental restoration failed for the DR instance. Perform this operation when incremental restoration is in progress.
400	DBS.06020161	The xlog_keep_radio field is invalid.	The xlog_keep_radio field is invalid.	The xlog_keep_radio field is invalid.
400	DBS.06020162	This operation is not supported.	This operation is not supported.	This operation is not supported.
400	DBS.06280105	This feature is not enabled.	This feature is not enabled.	Enable the feature on the O&M management platform.
400	DBS.06010013	Parameter error: ${parameterName}${parameterValue}	The parameter is invalid.	Enter a valid parameter value.
400	DBS.216003	Permission denied.	No permission.	Check whether the account has sufficient permissions.
400	DBS.06280032	New OS does not match original instance.	New OS does not match original instance.	Check whether the OS of the new DB instance matches that of the original DB instance.
400	DBS.06280033	The selected deployment model of the ${resourceType} type cannot be created.	The selected deployment model cannot be created.	Check whether the current resource type supports the creation of the instance.
400	DBS.06010018	Failed to obtain the instance volume information.	The disk information fails to be obtained.	Check whether the remote interface for obtaining disk information is successfully invoked or whether an exception occurs during disk information processing.
400	DBS.06010033	The current node type or role does not support this operation.	The current node type or role does not support this operation.	Select a CN or a DN whose role type is read-only, primary, or standby.
400	DBS.06010035	The component ID does not exist.	The component ID does not exist.	Check the component ID parameter.
400	DBS.06010036	The pidstat system command is not supported.	The pidstat system command is not supported.	The pidstat system command is not supported.
400	DBS.06010041	None of the configuration parameter values to be modified are changed.	All modified parameter values remain unchanged.	Enter a value that is different from the current value.
403	DBS.06010037	Insufficient permissions for the KMS key.	Insufficient permissions for the KMS key.	Contact the key administrator to grant sufficient permissions.
400	DBS.280659	Illegal number of grayscale upgrade shard, please check the parameters.	The number of shards for the gray upgrade is invalid.	Check whether the parameter is correctly specified.
400	DBS.06013034	The maximum number of nodes that can be stopped must not exceed half of the total number.	The number of stopped nodes cannot exceed half of the total number.	Check the instance node type.
400	DBS.06013039	Single node instance not support the operation.	This operation is not allowed for single-node instances.	Check the instance node type.
400	DBS.06020109	This operation is not supported because ${paramName} is not enabled. Contact customer service.	Operation not supported because ${paramName} is disabled. Contact customer service.	Contact customer service to enable the feature.
400	DBS.200920	The number of batch operation exceeds the maximum. Please check.	The number of objects included in a batch operation exceeds the maximum.	Reduce the length of the request parameter.
400	DBS.06013057	license configuration failure	Failed to configure the license.	Check whether the license is correctly configured.
400	DBS.06013061	config license extensions failed	Failed to configure the plug-in extensions.	Check whether the constraints for configuring extensions are met.
400	DBS.06013062	The plugin is not installed. Install the plugin first.	The required plug-in is not installed. Install the plug-in first.	Install the plug-in.
400	DBS.06013068	Plug-ins cannot be installed for instances running on Huawei Cloud EulerOS.	Plug-ins cannot be installed for instances running Huawei Cloud EulerOS.	Install the plug-in on an instance running EulerOS.
400	DBS.06013069	Plug-ins cannot be installed for distributed instances.	Plug-ins cannot be installed for distributed instances.	Install the plug-in on a primary/standby instance.