This topic describes the common error codes in the ECI API calls. In addition to common error codes, each API operation may return API-specific error codes. For more information about the error codes for a specific API operation, see the corresponding API description.
| Error code | Error message | HTTP status code | Description |
|---|---|---|---|
| 400 | MissingParameter | The input parameter %s that is mandatory for processing this request is not supplied. | The error message returned when a mandatory parameter is not specified. |
| 400 | SignatureNonceUsed | The request signature nonce has been used. | The error message returned when the signature nonce requested has been used. |
| 400 | Throttling | You have made too many requests within a short time; your request is denied due to request throttling. | The error message returned when too many requests are made over a short period of time. |
| 400 | InvalidParameter.LengthExceeded | The length of {ParameterName} exceeded, limit: {Value}. | The error message returned when the length of a list parameter exceeds the upper limit. |
| 400 | InvalidParameter.ValueExceeded | The value of {ParameterName} exceeded, max: {Value}. | The error message returned when the parameter value is invalid. |
| 403 | Forbidden.AccessKeyDisabled | The Access Key is disabled. | The error message returned when the AccessKey is invalid. |
| 403 | Forbidden.NotSupportRAM | This action does not support accessed by RAM mode. | The error message returned when the action is not supported for the RAM user. |
| 403 | Forbidden.RAM | User not authorized to operate on the specified resource, or this API doesn’t support RAM. | The error message returned when the user is not authorized to manage the resource or the API cannot be called by the RAM users. |
| 403 | Forbidden.RiskControl | This operation is forbidden by Aliyun RiskControl system. | The error message returned when the operation is forbidden by the Alibaba Cloud risk control system. |
| 403 | Forbidden.SubUser | The specified action is not available for you. | The error message returned when the specified action is not available for the current user. |
| 403 | Forbidden.Unauthorized | User not authorized to operate on the specified resource. | The error message returned when the user tries to manage the resource before being authenticated. |
| 403 | InvalidAction | The specified action is invalid | The error message returned when the action is not allowed. |
| 400 | InvalidParameter | The specified parameter {ParameterName} is not valid. | The error message returned when the parameter is invalid. |
| 403 | LastTokenProcessing | The last token request is processing. | The error message returned when the last token is still being processed. |
| 403 | RealNameAuthenticationError | Your account has not passed the real-name authentication yet. | The error message returned when your account has not passed the real-name authentication. |
| 403 | UnsupportedHTTPMethod | This http method is not supported. | The error message returned when the http method is not supported. |
| 404 | InvalidParameter.NotFound | {ParameterName} | The error message returned when the parameter cannot be found. |
| 409 | OperationConflict | Request was denied due to conflict with a previous request. | The error message returned when the action conflicts with a previous action. |
| 500 | InternalError | The request processing has failed due to some unknown error, exception or failure. | The error message returned when the request processing has failed due to an unknown error, exception, or failure. |
| 503 | ServiceUnavailable | The request has failed due to a temporary failure of the server. | The error message returned when a server exception occurs. |