Error Code

If an error occurs in an API, no result is returned. You can locate the error cause based on the error codes of each API. When the invocation fails, an HTTP status code is returned. The returned message body contains the specific error code and information.

Error Code Description

**Table 1** Error code description
HTTP Status Code	Error Code	Error Information	Handling Measure
400	DBS.200001	Parameter error.	Check whether the transferred parameters or URLs are correct.
404	DBS.200002	The DB instance does not exist.	Check whether the DB instance and its ID are correct and whether the DB instance exists.
400	DBS.200010	Authentication failed	Check whether the tenant and instance match.
403	DBS.200011	Operation cannot be executed in current state of the DB instance.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
404	DBS.200013	The node does not exist	Check whether the node ID or group ID is correct.
403	DBS.200018	This DB instance is not available.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
403	DBS.200019	Operation cannot be executed in current state of the DB instance.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.200024	The region is unavailable.	Check whether the region name is correct and whether the region is available.
400	DBS.200022	The DB instance name already exists.	Check whether the DB instance name exists.
400	DBS.200025	Invalid AZ.	Check whether the AZ name is correct and whether the AZ is available.
403	DBS.200028	The maximum storage space has been reached.	Check whether the storage space exceeds the upper limit.
400	DBS.200041	Invalid database version.	Check whether the database version is supported.
404	DBS.200042	Invalid DB engine.	Check whether the DB engine is supported by DDS.
400	DBS.200029	Invalid username and password.	Check whether the username and password match and whether the password meets the password strength requirements.
400	DBS.200047	Operation cannot be executed in current state of the DB instance or node.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.200048	Invalid VPC.	Check whether the VPC ID and name are correct and meet the requirements.
400	DBS.200049	Invalid subnet.	Check whether the subnet ID and name are correct and meet the requirements.
400	DBS.200050	Invalid security group.	Check whether the security group ID and name are correct and meet the requirements.
400	DBS.200052	Invalid password.	Check whether the username and password match and whether the password meets the password strength requirements.
400	DBS.200053	The DB instance specifications do not exist.	Check whether the specifications are correct and supported in the current AZ.
400	DBS.200054	Invalid DB instance specifications.	Check whether the specifications are correct and supported in the current AZ.
400	DBS.200057	Invalid parameter group.	Check whether the parameter group is correct, whether the parameter group exists, and whether the parameter group matches the instance type.
400	DBS.200059	Invalid database port	Check whether the database port is missing or valid.
400	DBS.200060	The database port number is out of the specified range.	Check whether the database port is valid.
400	DBS.200072	Invalid storage space.	Check whether the storage space exceeds the upper limit.
400	DBS.200075	Invalid node role.	Check whether the role of the node meets the requirements and whether the instance is normal.
403	DBS.200076	Operation cannot be executed in current state of the DB instance.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.200091	Invalid IP address.	Check whether the required IP address is missing or whether the input IP address is valid.
400	DBS.200092	The IP address already exists.	Check whether the IP address exists.
400	DBS.200095	Parameter error.	Check whether the parameters in the request and URLs are correct.
400	DBS.200302	The storage space must be a multiple of 10.	Check whether the storage space is a multiple of 10.
400	DBS.200303	The maximum number of times that the storage space can be scaled up has been reached.	The maximum number of times that the storage space can be scaled up has been reached. To continue to scale up the storage space, contact technical support.
400	DBS.200304	The storage space can be scaled up a maximum of four times.	Check whether the instance has been scaled up for multiple times.
400	DBS.200306	Invalid storage space.	Check whether the storage space is correct and meets the requirements.
400	DBS.200311	Scaling up the storage space is not allowed in current state of the node.	Check whether the node type, instance type, and node ID are correct.
400	DBS.200434	Failed to restart the DB instance.	Check whether the DB instance status is normal and whether other operations are being performed on the DB instance.
400	DBS.200451	The node does not exist.	Check whether node ID is correct.
400	DBS.200462	The database port is the same as the current port.	Check whether the new port number is the same as the original port number.
400	DBS.200470	Invalid AZ.	Check whether the AZ is correct.
400	DBS.200501	The subnet does not exist.	Check whether the subnet ID and name exist and match the VPC.
400	DBS.200502	The security group does not exist.	Check whether the security group ID and name exist and match the VPC.
400	DBS.200503	The VPC does not exist.	Check whether the tenant has the VPC.
400	DBS.200506	The encryption key does not exist.	Check whether the disk encryption key ID exists.
400	DBS.200507	The encryption key is not available.	Check whether the disk encryption key is available.
400	DBS.200604	The instance is not owned by the current user.	Check whether the project ID is subordinate to the instance ID.
400	DBS.200700	The EIP is being bound. Not allowed to bind the EIP again.	Check whether the instance is being bound to an EIP.
400	DBS.200701	Unbinding the EIP is not allowed due to the EIP status.	Check whether the operation is allowed by the EIP status.
400	DBS.200702	The node has been bound to a public IP address and cannot be bound again.	Check whether a public IP address has been bound to the node.
400	DBS.200998	The system is busy. Try again later.	The system is busy. Try again later.
403	DBS.201000	Operation cannot be executed in current state of the DB instance.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.201006	Parameter error.	Check whether the transferred parameters or URLs are correct.
403	DBS.201014	Operation cannot be executed in current state of the DB instance.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
403	DBS.201015	This operation cannot be performed because another operation is being performed.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.201020	Invalid DB engine.	Check whether the DB engine is supported by DDS.
403	DBS.201028	The DB instance does not exist.	Check whether the DB instance belongs to the tenant and whether the DB instance exists.
400	DBS.201201	The backup already exists.	Check whether the backup name or ID already exists.
400	DBS.201202	Operation cannot be executed in current state of the DB instance.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.201204	The backup file does not exist.	Check whether the backup file exists and matches the instance.
400	DBS.201214	The backup file does not exist.	Check whether the backup exists and matches the instance.
400	DBS.201319	Deleting backup file is not allowed because a restoration task is currently in progress. Please wait.	Check whether the backup is being used to restore instances.
400	DBS.201501	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.201502	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	This parameter group does not exist.	Check whether the parameter group exists.
400	DBS.212003	This operation is not permitted.	Check whether the instance status or the ongoing operation on the instance conflicts with the request.
400	DBS.212006	The node associated with this parameter group is not available.	Check whether the node that is associated with the parameter group is normal.
400	DBS.212008	The database type is not supported.	Check whether the database type is supported
400	DBS.212013	This parameter group does not exist.	Check whether the parameter exists.
400	DBS.212017	Invalid parameter.	Check whether the transferred parameters or URLs are correct and meet the requirements.
400	DBS.212019	Invalid parameter.	Check whether the transferred parameters or URLs are correct and meet the requirements.
400	DBS.212028	Invalid parameter group description.	Check whether the parameter group description is valid.
400	DBS.212030	The parameter group name already exists.	Check whether the parameter group name is correct and whether the tenant has created the parameter group.
400	DBS.212031	Invalid parameter group name.	Check whether the parameter group name meets the requirements:
400	DBS.212032	The operation cannot be performed because this parameter group is applied to one or more DB instance nodes.	Check whether the parameter group has been applied to the instance.
500	DBS.201509	The OBS service system is faulty.	An internal error occurs. Contact the O&M personnel to locate the fault.
400	DBS.238007	This operation cannot be performed in the current IP address status.	Check whether the delivered IP address is in use.
400	DBS.239011	Invalid SSL option.	Check whether the SSL parameter is missing or whether the SSL option is valid.
400	DBS.280001	Parameter error.	Check whether the transferred parameters or URLs are correct and meet the requirements.
500	DBS.280005	Server error. Try again later.	Contact technical support engineers.
400	DBS.280015	Permission denied.	Check whether the token expires and whether the instance matches the tenant.
400	DBS.280016	Resource not found.	Check whether the transferred parameters are correct and whether the instance exists.
403	DBS.280019	Account suspended.	Check the account balance.
403	DBS.280032	Permission denied.	Check whether the user group to which the current user belongs has the corresponding operation permission.
403	DBS.280042	Invalid request.	Check whether the request is allowed by the current instance status and the operations being performed on the instance and whether the request is valid.
401	DBS.280056	Invalid token.	Check whether the instance belongs to the tenant and whether the token has been obtained again.
403	DBS.280063	Permission denied. Contact the account administrator for authorization NOTE: xxx indicates the fine-grained configuration item corresponding to an operation performed on the DDS DB instance.	Check whether the user group to which the current user belongs has the corresponding operation permission.
500	DBS.280064	Fine-grained authentication failed.	Contact the customer service.
400	DBS.280110	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.280122	Invalid DB engine.	Check whether the storage engine matches the instance engine.
400	DBS.280123	Invalid node number.	Check whether the number of nodes to be added to the instance meets the requirements.
400	DBS.280124	Invalid backup.	Check whether the backup ID is correct and meets the requirements.
400	DBS.280127	Invalid backup description.	Check whether the backup description is correct and meets the requirements.
400	DBS.280200	The password contains invalid characters.	Check whether the password is correct and meets the requirements.
400	DBS.280214	Invalid retention period.	Check whether the backup retention period is correct.
400	DBS.280215	Invalid backup period.	Check whether the backup start time, end time, and backup cycle are correct and meet the requirements.
400	DBS.280216	Invalid backup start time.	Check whether the backup start time meets the requirements and whether the relationship between the backup start time and end time is correct.
400	DBS.280234	Invalid DB instance name.	Check whether the instance name is correct and whether the instance exists.
400	DBS.280235	Invalid DB engine.	Check whether the DB engine information is correct.
400	DBS.280236	Invalid database version.	Check whether the database version is supported.
400	DBS.280239	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.280241	Invalid storage type.	Check whether the storage type is correct and meets the requirements.
400	DBS.280242	The storage space is out of range.	Check whether the disk size is correct.
400	DBS.280244	Invalid AZ.	Check whether the parameters of the AZ are correct, whether the AZ exists, and whether the AZ matches the specifications.
400	DBS.280247	Invalid VPC.	Check whether the VPC ID is correct and whether the VPC exists.
400	DBS.280248	Invalid subnet.	Check whether the subnet ID is correct and whether the subnet exists.
400	DBS.280249	Invalid security group.	Check whether the security group ID is correct and whether the security group exists.
400	DBS.280266	Invalid storage space.	Check whether the storage space is correct and meets the requirements.
400	DBS.280267	Specifications not match.	Check whether the specification information is correct and whether the specification matches the instance.
400	DBS.280277	Invalid backup name.	Check whether the backup name is correct and meets the requirements.
400	DBS.280280	Invalid DB instance number.	Check whether the number of DB instances is correct and meets the requirements.
400	DBS.280284	Invalid IP address.	Check whether the IP address is correct and meets the requirements.
400	DBS.280292	Invalid username.	Check whether the username is correct and meets the requirements.
400	DBS.280311	Invalid storage space.	Check whether the storage space is correct and meets the requirements.
400	DBS.280314	Invalid storage type.	Check whether the storage type is correct and whether the instance supports the disk type.
400	DBS.280327	Invalid node type.	Check whether the node type is correct, whether the node type matches the instance, and whether the node type matches the group ID and node ID.
400	DBS.280342	Invalid DB instance mode.	Check whether the instance mode is correct and whether the instance mode matches the instance ID.
400	DBS.280347	Unsupported database type.	Check whether the DB instance type is correct and meets the requirements.
400	DBS.280365	Invalid payment mode.	Check whether the payment mode is correct and meets the requirements.
400	DBS.280404	Invalid DB instance ID.	Check whether the instance ID is correct and meets the requirements.
403	DBS.280406	The DB instance cannot be deleted.	Check whether the instance deletion operation is supported by the DB engine.
400	DBS.280407	Invalid node ID.	Check whether the node ID is correct and meets the requirements.
400	DBS.280408	Unauthorized tenant ID	Check whether the tenant ID is correct and meets the requirements.
400	DBS.280414	Invalid group type.	Check whether the group type is correct, whether the group type matches the instance, and whether the node type matches the group ID.
400	DBS.280416	Invalid backup end time	Check whether the backup end time is missing and whether the backup end time period and format meet the requirements.
400	DBS.280421	Invalid EIP.	Check whether the EIP exists and meets the requirements.
400	DBS.280434	Invalid resource specifications code.	Check whether the resource specifications code exists and meets the requirements.
400	DBS.280446	The database information does not exist.	Check whether the datastore field exists.
400	DBS.280438	Invalid encryption key ID.	Check whether the disk encryption key ID in the request is created and available, and whether the current DB engine supports disk encryption.
400	DBS.280439	Invalid query limit.	Check whether the value of the limit parameter is valid.
400	DBS.280440	Invalid offset.	Check whether the value of the offset parameter is valid.
400	DBS.280441	Invalid key.	Check whether the tag key is valid.
429	DBS.280443	The maximum number of connections has been reached.	APIs are frequently called by the same tenant. Reduce the frequency of API calls.
400	DBS.280445	The DB instance class is not available.	The current DB instance class is unavailable. Select another one.
400	DBS.280469	Invalid ECS group policy.	Check whether the policy associated with the ECS group is correct.
400	DBS.290000	Parameter error.	Check whether the transferred parameters or URLs are correct and meet the requirements.