| 400 | QUOTA.DIMENSION.MISS | The entered quota dimension is incomplete,Please complete the dimension. | The specified quota dimension is incomplete. Specify a complete dimension. | diagnosis |
| 400 | QUOTA.DIMENSION.UNSUPPORT | The entered quota dimension key is not supported. | The specified dimension key is invalid. | diagnosis |
| 400 | QUOTA.DIMENSION.VALUE.UNSUPPORT | The entered quota dimension value is not supported. | The specified dimension value is invalid. | diagnosis |
| 400 | QUOTA.NOT.FOUND | The quota does not exist. | The quota does not exist. | diagnosis |
| 400 | RAM.PERMISSION.DENIED | You do not have access. | You do not have the permissions to access. | diagnosis |
| 400 | RAM.VERIFICATION.ERROR | Permission verification failed. | - | diagnosis |
| 400 | ALARM.NAME.REPEAT | The warning name must be unique. | The alert name must be unique. | diagnosis |
| 400 | QUOTA.DESIREVALUE.ILLEGAL | The applied quota value is invalid. | - | diagnosis |
| 400 | Threshold.Illegal | The quota warning threshold is invalid. | - | diagnosis |
| 400 | THRESHOLD.MAx.ILLEGAL | The quota warning threshold cannot be greater than the current quota. | The threshold for triggering quota alerts cannot be greater than the current quota. | diagnosis |
| 400 | PARAMETER.ILLEGALL | The specified parameter is invalid. | The specified parameter value is invalid. | diagnosis |
| 400 | MissingProductCode | ProductCode is missing | The ProductCode parameter must be specified. | diagnosis |
| 400 | InvalidMaxResults | The MaxResults is invalid. | The specified MaxResults parameter is invalid. | diagnosis |
| 400 | SignatureDoesNotMatch | The signature we calculated does not match the one you provided. Please refer to the API reference about authentication for details. | The signature is invalid. | diagnosis |
| 400 | InvalidSecurityToken.Expired | The security token expires. Check your security token. We recommend that you apply for a security token again. | The security token expires. Please check your security token. We recommend that you apply for a security token again. | diagnosis |
| 404 | InvalidAccessKeyId.NotFound | The Access Key ID provided does not exist in our records. | The specified AccessKey pair is invalid. | diagnosis |
| 400 | InvalidQuotaCategory | The QuotaCategory is invalid. | The specified QuotaCategory parameter is invalid. | diagnosis |
| 400 | Throttling.User | Request was denied due to user flow control. | The request is rejected because the request frequency has exceeded the upper limit. Please try again later. | diagnosis |
| 404 | InvalidAccessKeyId | The AccessKey Id you provided is not exist. | The specified AccessId parameter is invalid. | diagnosis |
| 400 | ALARM.NOT.FOUND | The AlarmId provided does not exist in our records. | The quota alert does not exist. | diagnosis |
| 400 | InvalidAccessKeyId.Inactive | The specified AccessKey is disabled. Only enabled AccessKey can be used. | The AccessKey ID is disabled. Check whether the AccessKey pair is available for use. Use an AccessKey pair that is in the Enabled state. | diagnosis |
| 400 | THRESHOLD.MIN.ILLEGAL | The quota warning threshold cannot be smaller than the currently consumed quota | The threshold for triggering quota alerts cannot be less than the currently consumed amount. | diagnosis |
| 400 | InvalidTimeStamp.Expired | Specified time stamp or date value is expired. | The difference between the timestamp at the client side and the timestamp at the server side exceeds 15 minutes. Check your timestamp settings and make sure that the difference between the timestamp at the client side and the timestamp at the server side is less than 15 minutes. | diagnosis |
| 400 | MissingQuotaActionCode | QuotaActionCode Is Miss | The QuotaActionCode parameter must be specified. | diagnosis |
| 400 | InvalidThresholdType | The ThresholdType is invalid. | The specified ThresholdType parameter is invalid. | diagnosis |
| 400 | InvalidThreshold | The Threshold is invalid. | The specified Threshold parameter is invalid. | diagnosis |