| 400 | MissingParameter | Certain required parameters are missing. | A required parameter is not set. | diagnosis |
| 400 | IllegalOperationDomain | You are not authorized to operate the domain. | You are not authorized to manage the domain name. | diagnosis |
| 403 | SystemUpgrading | The system is being upgraded; please try again later. | The system is being upgraded. Try again later. | diagnosis |
| 404 | InvalidDomain.NotFound | The domain does not exist, or it does not belong to you. | The specified domain name does not exist or does not belong to the current account. Check whether the domain name is valid, belongs to the current account, or has expired. | diagnosis |
| 500 | InternalError | An internal error occurred; please try again later. | An internal error occurred. Try again later. If the error persists, submit a ticket. | diagnosis |
| 400 | DomainAlreadyExist | The specified domain already exists. | The domain name already exists. | diagnosis |
| 400 | InvalidSources.Malformed | The specified Sources is invalid. | The specified Sources parameter is invalid. It can be IP address or domain name. Up to 20 IP addresses are supported and they must be separated by commas (,). Only a single domain name is supported. | diagnosis |
| 400 | RegionNoResource | The region you selected has no resource. | - | diagnosis |
| 403 | ServiceBusy | The specified domain is being configured; please try again later. | The specified domain name is being configured. Try again later. | diagnosis |
| 400 | PrivateKeyError | The content of the certificate is invalid. | The certificate content is invalid. | diagnosis |
| 400 | DomainNameOverLimit | A maximum of 50 domains is supported for each request. | The number of domain names cannot exceed 50. Reduce domain names and try again. | diagnosis |
| 403 | DomainInProtectedMode | The domain is in protection mode. To request permission, contact Customer Service. | The specified domain name is in the protected mode. If you must perform this operation, contact customer service. | diagnosis |
| 400 | InvalidDomain.Configure_failed | Error configuring the domain. | Failed to configure the domain name. | diagnosis |
| 400 | InvalidArgValue.Malformed | The specified ArgValue is invalid. | The value specified for the ArgValue parameter is invalid. | diagnosis |
| 400 | InvaildParameter | The specified parameters are invalid. | A parameter is set to an invalid value. Specify a valid value and try again. | diagnosis |
| 404 | ConfigNotFound | The specified configid does not exist. | The specified configuration ID (configid) does not exist or does not match the domain name. Set this parameter to another value and try again. | diagnosis |
| 400 | FunctionMutex | This configuration conflicts with another configuration. | The specified setting conflicts with another setting. | diagnosis |
| 400 | ConfigDuplicate | The configuration already exists. | The specified configuration is duplicate. | diagnosis |
| 400 | ConfigIsGraying | The domain configuration is under canary testing. You cannot modify the configuration in production environment. | The domain name is in canary release. You cannot modify the settings in the product environment. | diagnosis |
| 400 | InvalidParameter | The specified parameter is invalid. | A parameter is set to an invalid value. | diagnosis |
| 403 | OperationDeniedAccount | You are not authorized to perform this operation. | You are not authorized to perform this operation. | diagnosis |
| 400 | OperationDenied | Error performing verification. | Authentication failed. | diagnosis |
| 400 | DomainNotRegistration | The specified domain name is not filed for ICP. | ICP filing is not completed for your domain name. | diagnosis |
| 400 | BusinessExist | The domain is being submitted; do not submit again. | The specified business already exists. | diagnosis |
| 400 | InvaildParameterSource | The domain must be different from the origin site. | The domain name cannot be the origin server. Specify another domain name and try again. | diagnosis |
| 400 | InvaildParameterDomainName | The specified DomainName is invalid. | The DomainName parameter is set to an invalid value. Specify a valid value and try again. | diagnosis |
| 400 | DomainOverLimit | The maximum number of domains is exceeded. | The maximum number of domain names has been reached. | diagnosis |
| 400 | InvalidSources.OverLimit | The maximum number of back-to-origin IP addresses is exceeded. | The number of origin IP addresses exceeds the upper limit. | diagnosis |
| 404 | InvalidDomain.NotFound | The domain [%s] does not belong to you. | - | diagnosis |
| 404 | InvalidDomain.Offline | The domain is offline. | The domain name is disabled. | diagnosis |
| 403 | IllegalOriginSiteIp | The specified origin site IP address is invalid. | The IP address of the origin server is invalid. | diagnosis |
| 403 | DcdnServiceNotFound | The DCDN service is not activated. | DCDN is not activated. Activate DCDN and try again. | diagnosis |
| 400 | IllegalSources | The specified origin site information is invalid. | The information about the origin server is invalid. Enter the information and try again. | diagnosis |
| 400 | QuotaExceeded.Refresh | Your refresh attempts have exceeded the daily limit. | The number of refresh tasks on the current day has reached the upper limit. You can call the refresh API operation to query the remaining number of refresh tasks that you want to run on the current day. | diagnosis |
| 400 | InvalidCertificate | The specified certificate format is invalid. | The format of the specified certificate is invalid. | diagnosis |
| 400 | InvalidCdnType.Malformed | This operation is not supported. | The operation is not supported. | diagnosis |
| 400 | InvalidLocationNameEn.Malformed | The specified LocationNameEn is not supported. | LocationNameEn is not supported. | diagnosis |
| 400 | InvalidIspNameEn.Malformed | The specified IspNameEn is invalid. | The specified ISP name is invalid. Call the DescribeCdnRegionAndIsp operation to query the ISP name and try again. | diagnosis |
| 400 | CheckIcpFailed | Error checking ICP information; please try again later. | Failed to verify the ICP information. Try again later. | diagnosis |
| 400 | InvalidObjectPath.Malformed | The specified ObjectPath is invalid. | The ObjectPath parameter is set to an invalid value. Specify a valid value and try again. | diagnosis |
| 403 | Forbidden.RAM | You are not authorized to operate this resource, or this API does not support RAM. | You are not authorized to manage the specified resource, or RAM users do not have permissions to perform this operation. | diagnosis |
| 403 | OperationDeniedUid | Your UID and BID do not match. | The specified UID and BID do not match. | diagnosis |
| 400 | UnsupportedParameter | The specified OwnerId and OwnerAccount are not supported. | The specified parameter is not supported. | diagnosis |
| 403 | DcdnServiceSuspended | Your have overdue payments. | Your account has overdue payments. | diagnosis |
| 400 | RetErrorSourceCircle | Error configuring the source. CDN already contains the domain. Please change the source. | The specified origin server is a domain name accelerated by Alibaba Cloud CDN. Specify another origin server. | diagnosis |
| 429 | TooManyRequests | The server is busy. Please try again later. | The server is unavailable. Try again later. | diagnosis |
| 400 | FlowControlError | The request was denied due to flow control. | Traffic throttling is triggered on the specified interface. | diagnosis |
| 400 | InvalidIntervalParameter | The specified Interval is invalid. | The interval parameter is set to an invalid value. | diagnosis |
| 400 | InvalidUserParameter | The specified User is invalid. | A parameter is set to an invalid value. | diagnosis |
| 400 | InvalidStationParameter | The specified Station is invalid. | The station parameter is set to an invalid value. | diagnosis |
| 400 | InvalidIspParameter | The specified Isp is invalid. | The specified ISP is invalid. | diagnosis |
| 400 | InvalidLocName | The specified LocName is not supported. | The LocName parameter is set to an invalid value. | diagnosis |
| 400 | InvalidFieldsParameter | The specified Field is invalid. | The Field parameter is set to an invalid value. | diagnosis |
| 400 | InvalidStartTimeParameter | The specified start time is invalid. | The start time is invalid. | diagnosis |
| 400 | InvalidEndTimeParameter | The specified end time is invalid. | The end time is in an invalid format. | diagnosis |
| 400 | DataUpdating | Data is updating,please wait. | The data is being updated. Try again later. | diagnosis |
| 400 | InvalidProductParameter | The specified Product is invalid. | The Product parameter is set to an invalid value. | diagnosis |
| 400 | InvalidAreaParameter | The specified Area is invalid. | The Area parameter is set to an invalid value. | diagnosis |
| 400 | InvalidSchemeParameter | The specified Scheme parameter is invalid. | The Scheme parameter is set to an invalid value. | diagnosis |
| 400 | InvalidLimitParameter | The specified Limit is invalid. | The Limit parameter is set to an invalid value. | diagnosis |
| 400 | InvalidOffsetParameter | The specified Page is invalid. | The page parameter is set to an invalid value. | diagnosis |
| 400 | InvalidTimePointParameter | The specified TimePoint is invalid. | The TimePoint parameter is set to an invalid value. | diagnosis |
| 400 | InvalidSourceParameter | The specified source is invalid. | The Source parameter is set to an invalid value. | diagnosis |
| 400 | InvalidSortByParameter | The specified Ordering is invalid. | The Ordering parameter is set to an invalid value. | diagnosis |
| 400 | InvalidNodeGroupProductParameter | The specified ngProduct parameter is invalid. | The ngProduct parameter is set to an invalid value. | diagnosis |
| 400 | InvalidNodeGroupParameter | The specified nodegroup parameter is invalid. | The Nodegroup parameter is set to an invalid value. | diagnosis |
| 401 | GetTokenFailed | Failed to obtain a token. | Failed to obtain the request token. | diagnosis |
| 400 | InvalidData.NotFound | The data is not found. | No data found. | diagnosis |
| 400 | InvalidStartTime.Malformed | The specified StartTime parameter is invalid. | The format of the specified start time is invalid. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC. | diagnosis |
| 400 | InvalidEndTime.Malformed | The specified EndTime is invalid. | The format of the specified end time is invalid. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC. | diagnosis |
| 503 | ServiceUnavailable | The request has failed due to a temporary failure of the server. | The service is unavailable. | diagnosis |
| 400 | InvalidConfigId | The specified configId is invalid. | The configId of the feature is invalid. It does not exist or does not belong to the current instance. | diagnosis |
| 400 | Function.ExceedLimit | The maximum number of configurations of the feature is exceeded. | The number of configurations for this feature exceeds the limit. | diagnosis |
| 400 | Function.DependedByOthers | The specified config is depended by others. | The specified configuration is depended on by other configurations. | diagnosis |
| 400 | Function.ArgDuplicate | Duplicate feature parameters. | Feature parameters conflict. | diagnosis |
| 400 | Function.Unsupported | The specified feature is not supported. | This feature is not supported. | diagnosis |
| 400 | InternalException | An internal exception occurred, please try again later. | An inner exception was triggered. Please try again later. | diagnosis |
| 400 | InvalidParameter | Input parameter specification verification failed. | Input parameter specification verification failed. | diagnosis |
| 400 | AccountBlacklist | Account blacklist restrictions, please submit a work order to contact customer service for processing. | Account blacklist restrictions, please submit a work order to contact customer service for processing. | diagnosis |