# Error Code

No data is returned if an API fails to be invoked. You can locate the cause of an error according to the error code of each API. When the API calling fails, HTTPS status code 4xx or 5xx is returned. The returned message body contains the specific error code and error information. If you fail to locate the cause of the error, contact technical support and provide the error code for troubleshooting.

Status Code | Error Code | Error Message | Measure
--- | --- | --- | ---
400 | CSS.0001 | The parameter is incorrect. | Check the parameter settings according to the returned information.
500 | CSS.0005 | Server error. | Contact technical support.
400 | CSS.0006 | The request body is empty. Enter a request parameter. | Enter the request parameters.
202 | CSS.0011 | This operation cannot be performed because another operation is being performed on the instance or the instance is faulty. Please try again later. | Try again later.
403 | CSS.0015 | Resource not found or permission denied. | Change the resource ID or check the access permission.
404 | CSS.0022 | The instance does not exist or has been deleted. | Change the instance ID.
403 | CSS.0032 | The current user has no operation permissions. | Check the permissions.
400 | CSS.0045 | The token is incorrect. | Obtain the token again.
400 | CSS.1112 | The number of instances has reached the quota. | Delete some clusters or increase the quota.
400 | CSS.3011 | Invalid retention duration of the backup. | Change the allowed retention duration.
404 | CSS.3027 | The cluster does not exist. | Check whether the cluster ID is correct.
400 | CSS.5007 | The selected flavor does not exist. | Check whether the specifications are correct.
400 | CSS.5009 | The hard disk size is beyond the valid range. | Change the disk size.
400 | CSS.5014 | Invalid VPC ID. | Check whether the VPC ID is correct.
400 | CSS.5015 | Invalid subnet ID. | Check whether the subnet ID is correct.
400 | CSS.5021 | The VPC does not exist or does not belong to the user. | Check whether the VPC is correct.
400 | CSS.5023 | The security group does not exist or does not belong to the VPC. | Check whether the security group is correct.
400 | CSS.5157 | The CIDR does not exist or is invalid. | Check whether there are subnets in the VPC.
400 | CSS.5036 | The engine does not exist. | Check whether the datastore parameter setting is correct.
400 | CSS.5047 | The number of instances is beyond the valid range. | Check whether the number of instances is within the range.
409 | CSS.5050 | The cluster name already exists. | Change the cluster name.
400 | CSS.5052 | Invalid value of the AZ. | Change the AZ.
400 | CSS.5055 | Invalid flavor. | Modify the specifications.
400 | CSS.5061 | The hard disk type is invalid. | Change the hard disk type.
400 | CSS.5071 | The disk type does not match that in the XML configuration file. | Change the hard disk type.
400 | CSS.5072 | The security group ID is invalid. | Change the security group ID.
400 | CSS.5074 | The subnet does not belong to the VPC. | Change the subnet ID.
400 | CSS.5077 | Invalid cluster name. | Change the cluster name.
400 | CSS.5078 | The hard disk size is beyond the valid range. | Change the disk size.
400 | CSS.5092 | Invalid hard disk information. | Modify the hard disk information.
400 | CSS.5093 | Invalid specification information. | Modify the specification information.
412 | CSS.5130 | The agency name is invalid. | Change the agency name.
500 | CSS.9999 | Request processing failed. | Contact technical support.
NA | CSS.6000 | Clusters fail to be created. | Try again later or contact technical support.
NA | CSS.6001 | Cluster scale-out fails. | Try again later or contact technical support.
NA | CSS.6002 | Failed to bind the elastic IP address to the cluster. | Try again later or contact technical support.
N/A | CSS.6003 | Failed to restore the cluster. | Try again later or contact technical support.
N/A | CSS.6004 | Failed to create a node. | Try again later or contact technical support.
N/A | CSS.6005 | The initialization fails. | Perform the initialization again or contact technical support.
NA | CSS.6006 | Failed to modify the specifications. | Perform the initialization again or contact technical support.
NA | CSS.6007 | Failed to reset the password. | Reset the password.
N/A | CSS.6008 | Failed to update the YML file. | Update the .yml file again or contact technical support.
N/A | CSS.6009 | Failed to create the snapshot. | Try again later or contact technical support.
N/A | CSS.6010 | Failed to restore the snapshot because the OBS object does not exist or has been deleted. | Check whether the configured OBS object exists.
N/A | CSS.6011 | Failed to create the snapshot because the OBS bucket you select does not exist or has been deleted. | Check whether the OBS bucket exists.
N/A | CSS.6012 | Failed to restore the snapshot because the OBS object does not exist or has been deleted. | Check whether the OBS bucket exists.
N/A | CSS.6013 | The parameters cannot be modified because other operations are being performed on the cluster. | Modify parameters when the cluster is available.
N/A | CSS.6014 | Some parameters cannot be modified. | Check whether the submitted parameter modification request contains a parameter value that cannot be modified. If yes, delete the parameter and try again.
N/A | CSS.6015 | The parameter value is not in YAML format. | Modify the parameter format and try again.

Parent topic: Common Parameters