Error Codes
If an error code starting with APIGW is returned after you call an API, rectify the fault by referring to the instructions provided in API Gateway Error Codes.
| Status Code | Error Codes | Error Message | Description | Solution |
|---|---|---|---|---|
| 300 | AOM.08001300 | The maximum number of rules has been reached. | The maximum number of rules has been reached. | Delete unnecessary rules and add new ones. |
| 400 | AOM.02001101 | Invalid rule name. | Invalid rule name. | Check whether the parameter meets requirements. |
| 400 | AOM.02001102 | The rule name already exists. | The rule name already exists. | Check whether the parameter meets requirements. |
| 400 | AOM.02001103 | Invalid description. | Invalid description. | Check whether the parameter meets requirements. |
| 400 | AOM.02001104 | Invalid threshold. | Invalid threshold. | Check whether the parameter meets requirements. |
| 400 | AOM.02001105 | Invalid period. | Invalid period. | Check whether the parameter meets requirements. |
| 400 | AOM.02001106 | Invalid email. | Invalid email. | Check whether the parameter meets requirements. |
| 400 | AOM.02001107 | The maximum number of rules has been reached. | The maximum number of rules has been reached. | Check whether the parameter meets requirements. |
| 400 | AOM.02001108 | Invalid time range. | Invalid time range. | Check whether the parameter meets requirements. |
| 400 | AOM.02001109 | Invalid project ID. | Invalid project ID. | Check whether the parameter meets requirements. |
| 400 | AOM.02001110 | Invalid limit. | Invalid limit. | Check whether the parameter meets requirements. |
| 400 | AOM.02001111 | Invalid offset. | Invalid offset. | Check whether the parameter meets requirements. |
| 400 | AOM.02001112 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02001115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02001118 | Invalid number of consecutive periods. | Invalid number of consecutive periods. | Check whether the parameter meets requirements. |
| 400 | AOM.02001119 | Invalid statistic. | Invalid statistic. | Check whether the parameter meets requirements. |
| 400 | AOM.02001120 | Invalid comparison operator. | Invalid comparison operator. | Check whether the parameter meets requirements. |
| 400 | AOM.02001121 | The rule does not exist. | The rule does not exist. | Check whether the parameter meets requirements. |
| 400 | AOM.02001400 | Bad request. | Bad request. | Check whether the parameter meets requirements. |
| 400 | AOM.02002101 | Invalid rule. | Invalid rule. | Check whether the parameter meets requirements. |
| 400 | AOM.02002102 | The rule name already exists. | The rule name already exists. | Check whether the parameter meets requirements. |
| 400 | AOM.02002103 | Invalid description. | Invalid description. | Check whether the parameter meets requirements. |
| 400 | AOM.02002104 | Invalid threshold. | Invalid threshold. | Check whether the parameter meets requirements. |
| 400 | AOM.02002105 | Invalid period. | Invalid period. | Check whether the parameter meets requirements. |
| 400 | AOM.02002106 | Invalid email. | Invalid email. | Check whether the parameter meets requirements. |
| 400 | AOM.02002107 | The maximum number of rules has been reached. | The maximum number of rules has been reached. | Check whether the parameter meets requirements. |
| 400 | AOM.02002108 | Invalid time range. | Invalid time range. | Check whether the parameter meets requirements. |
| 400 | AOM.02002109 | Invalid project ID. | Invalid project ID. | Check whether the parameter meets requirements. |
| 400 | AOM.02002110 | Invalid limit. | Invalid limit. | Check whether the parameter meets requirements. |
| 400 | AOM.02002111 | Invalid offset. | Invalid offset. | Check whether the parameter meets requirements. |
| 400 | AOM.02002112 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02002115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02002118 | Invalid number of consecutive periods. | Invalid number of consecutive periods. | Check whether the parameter meets requirements. |
| 400 | AOM.02002119 | Invalid statistic. | Invalid statistic. | Check whether the parameter meets requirements. |
| 400 | AOM.02002120 | Invalid comparison operator. | Invalid comparison operator. | Check whether the parameter meets requirements. |
| 400 | AOM.02002121 | The rule does not exist. | The rule does not exist. | Check whether the parameter meets requirements. |
| 400 | AOM.02002400 | Bad request. | Bad request. | Check whether the parameter meets requirements. |
| 400 | AOM.02003101 | Invalid rule. | Invalid rule. | Check whether the parameter meets requirements. |
| 400 | AOM.02003102 | The rule name already exists. | The rule name already exists. | Check whether the parameter meets requirements. |
| 400 | AOM.02003103 | Invalid description. | Invalid description. | Check whether the parameter meets requirements. |
| 400 | AOM.02003104 | Invalid threshold. | Invalid threshold. | Check whether the parameter meets requirements. |
| 400 | AOM.02003105 | Invalid period. | Invalid period. | Check whether the parameter meets requirements. |
| 400 | AOM.02003106 | Invalid email. | Invalid email. | Check whether the parameter meets requirements. |
| 400 | AOM.02003107 | The maximum number of rules has been reached. | The maximum number of rules has been reached. | Check whether the parameter meets requirements. |
| 400 | AOM.02003108 | Invalid time range. | Invalid time range. | Check whether the parameter meets requirements. |
| 400 | AOM.02003109 | Invalid project ID. | Invalid project ID. | Check whether the parameter meets requirements. |
| 400 | AOM.02003110 | Invalid limit. | Invalid limit. | Check whether the parameter meets requirements. |
| 400 | AOM.02003111 | Invalid offset. | Invalid offset. | Check whether the parameter meets requirements. |
| 400 | AOM.02003112 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02003115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02003118 | Invalid number of consecutive periods. | Invalid number of consecutive periods. | Check whether the parameter meets requirements. |
| 400 | AOM.02003119 | Invalid statistic. | Invalid statistic. | Check whether the parameter meets requirements. |
| 400 | AOM.02003120 | Invalid comparison operator. | Invalid comparison operator. | Check whether the parameter meets requirements. |
| 400 | AOM.02003121 | The rule does not exist. | The rule does not exist. | Check whether the parameter meets requirements. |
| 400 | AOM.02003400 | Bad request. | Bad request. | Check whether the parameter meets requirements. |
| 400 | AOM.02004101 | Invalid rule. | Invalid rule. | Check whether the parameter meets requirements. |
| 400 | AOM.02004102 | The rule name already exists. | The rule name already exists. | Check whether the parameter meets requirements. |
| 400 | AOM.02004103 | Invalid description. | Invalid description. | Check whether the parameter meets requirements. |
| 400 | AOM.02004104 | Invalid threshold. | Invalid threshold. | Check whether the parameter meets requirements. |
| 400 | AOM.02004105 | Invalid period. | Invalid period. | Check whether the parameter meets requirements. |
| 400 | AOM.02004106 | Invalid email. | Invalid email. | Check whether the parameter meets requirements. |
| 400 | AOM.02004107 | The maximum number of rules has been reached. | The maximum number of rules has been reached. | Check whether the parameter meets requirements. |
| 400 | AOM.02004108 | Invalid time range. | Invalid time range. | Check whether the parameter meets requirements. |
| 400 | AOM.02004109 | Invalid project ID. | Invalid project ID. | Check whether the parameter meets requirements. |
| 400 | AOM.02004110 | Invalid limit. | Invalid limit. | Check whether the parameter meets requirements. |
| 400 | AOM.02004111 | Invalid offset. | Invalid offset. | Check whether the parameter meets requirements. |
| 400 | AOM.02004112 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02004115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02004118 | Invalid number of consecutive periods. | Invalid number of consecutive periods. | Check whether the parameter meets requirements. |
| 400 | AOM.02004119 | Invalid statistic. | Invalid statistic. | Check whether the parameter meets requirements. |
| 400 | AOM.02004120 | Invalid comparison operator. | Invalid comparison operator. | Check whether the parameter meets requirements. |
| 400 | AOM.02004121 | The rule does not exist. | The rule does not exist. | Check whether the parameter meets requirements. |
| 400 | AOM.02004400 | Bad request. | Bad request. | Check whether the parameter meets requirements. |
| 400 | AOM.02005101 | Invalid rule. | Invalid rule. | Check whether the parameter meets requirements. |
| 400 | AOM.02005102 | The rule name already exists. | The rule name already exists. | Check whether the parameter meets requirements. |
| 400 | AOM.02005103 | Invalid description. | Invalid description. | Check whether the parameter meets requirements. |
| 400 | AOM.02005104 | Invalid threshold. | Invalid threshold. | Check whether the parameter meets requirements. |
| 400 | AOM.02005105 | Invalid period. | Invalid period. | Check whether the parameter meets requirements. |
| 400 | AOM.02005106 | Invalid email. | Invalid email. | Check whether the parameter meets requirements. |
| 400 | AOM.02005107 | The maximum number of rules has been reached. | The maximum number of rules has been reached. | Check whether the parameter meets requirements. |
| 400 | AOM.02005108 | Invalid time range. | Invalid time range. | Check whether the parameter meets requirements. |
| 400 | AOM.02005109 | Invalid project ID. | Invalid project ID. | Check whether the parameter meets requirements. |
| 400 | AOM.02005110 | Invalid limit. | Invalid limit. | Check whether the parameter meets requirements. |
| 400 | AOM.02005111 | Invalid offset. | Invalid offset. | Check whether the parameter meets requirements. |
| 400 | AOM.02005112 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02005115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.02005118 | Invalid number of consecutive periods. | Invalid number of consecutive periods. | Check whether the parameter meets requirements. |
| 400 | AOM.02005119 | Invalid statistic. | Invalid statistic. | Check whether the parameter meets requirements. |
| 400 | AOM.02005120 | Invalid comparison operator. | Invalid comparison operator. | Check whether the parameter meets requirements. |
| 400 | AOM.02005121 | The rule does not exist. | The rule does not exist. | Check whether the parameter meets requirements. |
| 400 | AOM.02005400 | Bad request. | Bad request. | Check whether the parameter meets requirements. |
| 400 | AOM.04007101 | Invalid namespace. | Invalid namespace. | Check whether the parameter meets requirements. |
| 400 | AOM.04007102 | Invalid inventory ID. | Invalid inventory ID. | Check whether the parameter meets requirements. |
| 400 | AOM.04007103 | The project ID cannot be left blank. | The project ID cannot be left blank. | Check whether the parameter meets requirements. |
| 400 | AOM.04007104 | Invalid type. | Invalid type. | Check whether the parameter meets requirements. |
| 400 | AOM.04007105 | Invalid limit. | Invalid limit. | Check whether the parameter meets requirements. |
| 400 | AOM.04007106 | Invalid offset. | Invalid offset. | Check whether the parameter meets requirements. |
| 400 | AOM.04007107 | Invalid parent inventory ID. | Invalid parent inventory ID. | Check whether the parameter meets requirements. |
| 400 | AOM.04007108 | Invalid type and relation. | Invalid type and relation. | Check whether the parameter meets requirements. |
| 400 | AOM.04007109 | Invalid metric name. | Invalid metric name. | Check whether the parameter meets requirements. |
| 400 | AOM.04007110 | Invalid relation. | Invalid relation. | Check whether the parameter meets requirements. |
| 400 | AOM.04007111 | The type and relation cannot be left blank. | The type and relation cannot be left blank. | Check whether the parameter meets requirements. |
| 400 | AOM.04007112 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.04007115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.04007118 | Invalid number of consecutive periods. | Invalid number of consecutive periods. | Check whether the parameter meets requirements. |
| 400 | AOM.04007119 | Invalid statistic. | Invalid statistic. | Check whether the parameter meets requirements. |
| 400 | AOM.04007120 | Invalid comparison operator. | Invalid comparison operator. | Check whether the parameter meets requirements. |
| 400 | AOM.04007400 | Bad request. | Bad request. | Check whether the parameter meets requirements. |
| 400 | AOM.04008101 | Invalid namespace. | Invalid namespace. | Check whether the parameter meets requirements. |
| 400 | AOM.04008102 | Invalid inventory ID. | Invalid inventory ID. | Check whether the parameter meets requirements. |
| 400 | AOM.04008103 | The project ID cannot be left blank. | The project ID cannot be left blank. | Check whether the parameter meets requirements. |
| 400 | AOM.04008104 | Invalid type. | Invalid type. | Check whether the parameter meets requirements. |
| 400 | AOM.04008105 | Invalid limit. | Invalid limit. | Check whether the parameter meets requirements. |
| 400 | AOM.04008106 | Invalid offset. | Invalid offset. | Check whether the parameter meets requirements. |
| 400 | AOM.04008107 | Invalid parent inventory ID. | Invalid parent inventory ID. | Check whether the parameter meets requirements. |
| 400 | AOM.04008108 | Invalid type and relation. | Invalid type and relation. | Check whether the parameter meets requirements. |
| 400 | AOM.04008109 | Invalid metric name. | Invalid metric name. | Check whether the parameter meets requirements. |
| 400 | AOM.04008110 | Invalid relation. | Invalid relation. | Check whether the parameter meets requirements. |
| 400 | AOM.04008111 | The type and relation cannot be left blank. | The type and relation cannot be left blank. | Check whether the parameter meets requirements. |
| 400 | AOM.04008112 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.04008115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | AOM.04008118 | Invalid number of consecutive periods. | Invalid number of consecutive periods. | Check whether the parameter meets requirements. |
| 400 | AOM.04008119 | Invalid statistic. | Invalid statistic. | Check whether the parameter meets requirements. |
| 400 | AOM.04008120 | Invalid comparison operator. | Invalid comparison operator. | Check whether the parameter meets requirements. |
| 400 | AOM.04008400 | Bad request. | Bad request. | Check whether the parameter meets requirements. |
| 400 | AOM.07001400 | Invalid parameter. | Invalid parameter. | Check whether the parameter meets requirements. |
| 400 | SVCSTG.INV.4000115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000001 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000002 | Invalid namespace. | Invalid namespace. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000003 | Dimensions cannot be left blank. | Dimensions cannot be left blank. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000005 | Invalid metric data type. | Invalid metric data type. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000006 | The metric data value cannot be left blank. | The metric data value cannot be left blank. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000007 | Invalid dimension. | Invalid dimension. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000008 | The request exceeds 40 KB. | The request exceeds 40 KB. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000009 | The number of elements in the dimension array exceeds the allowed limit. | The number of elements in the dimension array exceeds the allowed limit. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000010 | Invalid collection time. | Invalid collection time. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000101 | The namespace or alarm name is invalid, or the project ID is left blank. | The namespace or alarm name is invalid, or the project ID is left blank. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000102 | The inventory ID is invalid, the metric data value is left blank, or the threshold rule name already exists. | The inventory ID is invalid, the metric data value is left blank, or the threshold rule name already exists. | Check whether the parameter meets requirements, or change the rule name and try again. |
| 400 | SVCSTG_AMS_4000103 | Invalid range or alarm description. | Invalid range or alarm description. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000104 | Invalid statistics or alarm threshold. | Invalid statistics or alarm threshold. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000105 | Invalid limit, metric, or alarm period. | Invalid limit, metric, or alarm period. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000106 | Invalid offset, time range, or email. | Invalid offset, time range, or email. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000107 | The number of data points in a time range exceeds 1440 or the maximum number of threshold rules has been reached. | The number of data points in a time range exceeds 1440 or the maximum number of threshold rules has been reached. | Check whether the parameter meets requirements or contact the administrator. |
| 400 | SVCSTG_AMS_4000108 | Invalid time range. | Invalid time range. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000109 | Invalid metric name or project ID. | Invalid metric name or project ID. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000110 | Invalid filled value or limit. | Invalid filled value or limit. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000111 | Invalid offset. | Invalid offset. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000115 | Invalid request parameter. | Invalid request parameter. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000118 | Invalid number of consecutive periods. | Invalid number of consecutive periods. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000119 | Invalid statistic. | Invalid statistic. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000120 | Invalid comparison operator. | Invalid comparison operator. | Check whether the parameter meets requirements. |
| 400 | SVCSTG_AMS_4000121 | The rule does not exist. | The rule does not exist. | Check whether the threshold rule exists on the console. |
| 401 | AOM.02001401 | Unauthorized. | Unauthorized. | Contact the administrator. |
| 401 | AOM.02002401 | Unauthorized. | Unauthorized. | Contact the administrator. |
| 401 | AOM.02003401 | Unauthorized. | Unauthorized. | Contact the administrator. |
| 401 | AOM.02004401 | Unauthorized. | Unauthorized. | Contact the administrator. |
| 401 | AOM.02005401 | Unauthorized. | Unauthorized. | Contact the administrator. |
| 401 | AOM.04007401 | Request unauthorized. | Request unauthorized. | Contact the administrator. |
| 401 | AOM.04008401 | Request unauthorized. | Request unauthorized. | Contact the administrator. |
| 403 | AOM.02001403 | Forbidden. | Forbidden. | Contact the administrator. |
| 403 | AOM.02002403 | Forbidden. | Forbidden. | Contact the administrator. |
| 403 | AOM.02003403 | Forbidden. | Forbidden. | Contact the administrator. |
| 403 | AOM.02004403 | Forbidden. | Forbidden. | Contact the administrator. |
| 403 | AOM.02005403 | Forbidden. | Forbidden. | Contact the administrator. |
| 403 | AOM.04007403 | Request forbidden. | Request forbidden. | Contact the administrator. |
| 403 | AOM.04008403 | Request forbidden. | Request forbidden. | Contact the administrator. |
| 403 | AOM.07001403 | Insufficient permissions. | Insufficient permissions. | Obtain required permissions. |
| 403 | SVCSTG.INV.4030000 | Insufficient permissions. | Insufficient permissions. | Use an authorized account. |
| 429 | AOM.07001429 | The traffic has been restricted. | The traffic has been restricted. | Send fewer API call requests. |
| 429 | AOM.08001429 | Too many requests. | Too many requests. | Check whether the parameter meets requirements. |
| 500 | AOM.02001500 | Internal server error. | Internal server error. | Contact the administrator. |
| 500 | AOM.02001501 | The Cassandra session is null. | The Cassandra session is null. | Contact the administrator. |
| 500 | AOM.02001502 | The Cassandra execution is abnormal. | The Cassandra execution is abnormal. | Contact the administrator. |
| 500 | AOM.02002500 | Internal server error. | Internal server error. | Contact the administrator. |
| 500 | AOM.02002501 | The Cassandra session is null. | The Cassandra session is null. | Contact the administrator. |
| 500 | AOM.02002502 | The Cassandra execution is abnormal. | The Cassandra execution is abnormal. | Contact the administrator. |
| 500 | AOM.02003500 | Internal server error. | Internal server error. | Contact the administrator. |
| 500 | AOM.02003501 | The Cassandra session is null. | The Cassandra session is null. | Contact the administrator. |
| 500 | AOM.02003502 | The Cassandra execution is abnormal. | The Cassandra execution is abnormal. | Contact the administrator. |
| 500 | AOM.02004500 | Internal server error. | Internal server error. | Contact the administrator. |
| 500 | AOM.02004501 | The Cassandra session is null. | The Cassandra session is null. | Contact the administrator. |
| 500 | AOM.02004502 | The Cassandra execution is abnormal. | The Cassandra execution is abnormal. | Contact the administrator. |
| 500 | AOM.02005500 | Internal server error. | Internal server error. | Contact the administrator. |
| 500 | AOM.02005501 | The Cassandra session is null. | The Cassandra session is null. | Contact the administrator. |
| 500 | AOM.02005502 | The Cassandra execution is abnormal. | The Cassandra execution is abnormal. | Contact the administrator. |
| 500 | AOM.04007500 | Internal server error. | Internal server error. | Contact the administrator. |
| 500 | AOM.04007501 | The Cassandra session is null. | The Cassandra session is null. | Contact the administrator. |
| 500 | AOM.04007502 | The Cassandra execution is abnormal. | The Cassandra execution is abnormal. | Contact the administrator. |
| 500 | AOM.04008500 | Internal server error. | Internal server error. | Contact the administrator. |
| 500 | AOM.04008501 | The Cassandra session is null. | The Cassandra session is null. | Contact the administrator. |
| 500 | AOM.04008502 | The Cassandra execution is abnormal. | The Cassandra execution is abnormal. | Contact the administrator. |
| 500 | SVCSTG.INV.5000001 | The Elasticsearch session is null. | The Elasticsearch session is null. | Contact the administrator. |
| 500 | SVCSTG.INV.5000002 | The Elasticsearch execution is abnormal. | The Elasticsearch execution is abnormal. | Contact the administrator. |
| 500 | SVCSTG.INV.5000003 | The ICMgr invocation is abnormal. | The ICMgr invocation is abnormal. | Contact the administrator. |
| 500 | SVCSTG.INV.5000006 | The rule name already exists. | The rule name already exists. | Use another name. |
| 500 | SVCSTG.INV.5000007 | The maximum number of rules has been reached. | The maximum number of rules has been reached. | Delete unnecessary rules and add new ones. |
| 500 | SVCSTG_AMS_5000000 | Internal server error. | Internal server error. | Contact the administrator. |
| 503 | AOM.02001503 | Server unavailable. | Server unavailable. | Contact the administrator. |
| 503 | AOM.02002503 | Server unavailable. | Server unavailable. | Contact the administrator. |
| 503 | AOM.02003503 | Server unavailable. | Server unavailable. | Contact the administrator. |
| 503 | AOM.02004503 | Server unavailable. | Server unavailable. | Contact the administrator. |
| 503 | AOM.02005503 | Server unavailable. | Server unavailable. | Contact the administrator. |
| 503 | AOM.04007503 | Server unavailable. | Server unavailable. | Contact the administrator. |
| 503 | AOM.04008503 | Server unavailable. | Server unavailable. | Contact the administrator. |
| 503 | AOM.07001503 | Service error. | Service error. | Check whether the backend service is normal. |
| 503 | SVCSTG_AMS_5030001 | The Cassandra session is null. | The Cassandra session is null. | Contact the administrator. |
| 503 | SVCSTG_AMS_5030002 | The Cassandra execution is abnormal. | The Cassandra execution is abnormal. | Contact the administrator. |
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