| 400 | InvalidConnectionString.Format | Specified connection string is not valid. | - | diagnosis |
| 499 | InternalFailure | Invoke backend proxy error. | - | diagnosis |
| 400 | PRICE.HSF_TIMEOUT_ERROR | Get price timeout. | - | diagnosis |
| 400 | LX_CENTER_GET_COMMODITY_ERROR | LX_CENTER_GET_COMMODITY_ERROR | - | diagnosis |
| 400 | SYSTEM.CONCURRENT_OPERATE | system concurrent operate: lock list. | - | diagnosis |
| 400 | ARTICLE_NOT_FOUND | ARTICLE_NOT_FOUND | - | diagnosis |
| 400 | SYSTEM.ILLEGAL_ARGUMENT | LX illegal argument. | - | diagnosis |
| 403 | UserInformationIncomplete | Please complete your basic personal information first. | - | diagnosis |
| 403 | OperationDenied.SecurityIPListDuplicate | The Specified same security IP already exists. | Duplicate IP addresses in the whitelist. | diagnosis |
| 400 | InvalidDBInstanceStorage | The input parameters DBInstanceClass and DBInstanceStorage no change. | - | diagnosis |
| 400 | InstanceStatusNotSupport | Current instance status does not support this operation. | - | diagnosis |
| 400 | DowngradeStorageNotSupported | The downgrading dbInstance storage does not supported. | You cannot downgrade the disk capacity for the instance. | diagnosis |
| 400 | InvalidUpgradeParams | The All(ReplicationFactor,DBInstanceClass,DBInstanceStorage)parameters are the same. | - | diagnosis |
| 400 | DowngradeTaskNotFinished | The downgrading task has not yet been completed. | - | diagnosis |
| 400 | InvalidAccountName.Malformed | The specified parameter "AccountName" is not valid. | - | diagnosis |
| 400 | InvalidReplicaMode.Format | Unbind is not binding domain name. | - | diagnosis |
| 400 | InvalidGranularity.MalFormed | The specified Granularity is invalid. | - | diagnosis |
| 400 | IndexRecommendationTaskAlreadyExists | The index recommendation task already exists. | - | diagnosis |
| 403 | OperationDenied.DBInstance | The operation is not permitted due to type of the instance. | - | diagnosis |
| 400 | InvalidEndTime.Malformed | The specified EndTime is invalid. | - | diagnosis |
| 400 | QuotaNotEnough | Quota not enough in this zone. | Insufficient resources in the specified zone. Specify another zone. | diagnosis |
| 400 | MissingParameter | Specified parameter is missing. | - | diagnosis |
| 403 | MissingParameter | The input parameter OwnerId,OwnerAccount that is mandatory for processing this request is not supplied. | You must specify at least one of OwnerId and OwnerAccount. | diagnosis |
| 403 | Forbbiden.SubUser | The specified action is not available for you. | You are not authorized to call an order-type operation. Apply for permissions and try again. | diagnosis |
| 400 | UnsupportedParameter | | - | diagnosis |
| 403 | Forbidden.RAM | User not authorized to operate on the specified resource, or this API doesn't support RAM. | - | diagnosis |
| 403 | Forbedden.NotSupportRAM | This action does not support accessed by RAM mode. | You are not authorized to perform this operation with RAM users. Use an Alibaba Cloud account. | diagnosis |
| 403 | Forbidden.RiskControl | This operation is forbidden by Aliyun Risk Control system. | The high-risk operation is prohibited. | diagnosis |
| 400 | InsufficientBalance | Your account status check has failed, it may fall into following condition: 1. Insufficient fund available. 2. Personal ID yet verified. 3. Financial account is ineligible for purchase per item. | - | diagnosis |
| 400 | InsufficientBalance | Your account does not have enough balance. | The payment failed. Please add another payment method. You can also top up or add funds to your account. | diagnosis |
| 400 | IdempotentParameterMismatch | Request uses a client token in a previous request but is not identical to that request. | The specified ClientToken parameter is already in use. Specify a client token that has not been used. The ClientToken value is generated by the client and must be unique among different requests. The value can be up to 64 ASCII characters in length and cannot contain non-ASCII characters. | diagnosis |
| 403 | RealNameAuthenticationError | Your account has not passed the real-name authentication yet. | Real-name verification has not been completed for the Alibaba Cloud account. Complete real-name verification and try again. | diagnosis |
| 400 | CreateOrder.Failed | Create order failed. | - | diagnosis |
| 400 | InvalidParameter | | A parameter configuration error occurred. Please configure the parameter again. | diagnosis |
| 404 | Forbidden.InstanceNotFound | The specified Instance is not found, so we cann't get enough information to check permission in RAM. | - | diagnosis |
| 404 | InvalidDBInstanceId.NotFound | The DBInstanceId provided does not exist in our records. | - | diagnosis |
| 404 | InvalidDBInstanceId.NotFound | | Instance not found. Refresh the page to check whether the instance has been released. | diagnosis |
| 404 | InvalidRegionId.NotFound | The RegionId provided does not exist in our records. | - | diagnosis |
| 404 | InvalidZoneId.NotFound | The ZoneId provided does not exist in our records. | - | diagnosis |
| 404 | InvalidInstanceId.NotFound | The InstanceId provided does not exist in our records. | The specified InstanceId parameter is invalid. Specify a valid instance ID. | diagnosis |
| 400 | QuotaExceed.AfterpayInstance | Living afterpay instances quota exceeded. | - | diagnosis |
| 403 | Forbidden.NotAdminUser | User not authorized to operate on the specified API as you are not the administrator. | - | diagnosis |
| 403 | Forbbiden.NotInvitedUser | User not in the invitation list. | - | diagnosis |
| 403 | OperationDenied.DBInstanceStatus | The operation is not permitted due to status of instance. | The operation is not supported while the instance is in the current state. | diagnosis |
| 403 | OperationDenied.DBInstanceType | The operation is not permitted due to type of instance. | - | diagnosis |
| 403 | OperationDenied.LockMode | The operation is not permitted due to lock of instance. | - | diagnosis |
| 400 | InvalidDBInstanceClass.NotFound | Specified DB instance class is not found. | - | diagnosis |
| 404 | InvalidBackup.NotFound | The available backup does not exist in recovery time. | - | diagnosis |
| 404 | IncorrectDBInstanceNetType | Current DB instance net type does not support this operation. | - | diagnosis |
| 400 | CLIENT.WRONG_STATUS | BLS Wrong status. | - | diagnosis |
| 400 | CLIENT.GENERAL_ERROR | BLS error. | - | diagnosis |
| 400 | CLIENT.INSTANCE_ID_NOT_FOUND | InstanceId not found | - | diagnosis |
| 422 | CLIENT.UNPROCESSABLE_ENTITY | Unprocessable Entity. | - | diagnosis |
| 400 | CLIENT.WRONG_STATUS_STATUS | Source instance's tatus does not support this operation. | - | diagnosis |
| 400 | CLIENT.PRODUCT_TEMPLATE_NOT_FOUND | Product's template not found. | - | diagnosis |
| 400 | CLIENT.MISSING_REQUIRED_PARAM | Missing required param. | - | diagnosis |
| 400 | CLIENT.DST_INST_SAME_AS_SRC_INST | Destination InstanceId is the same as source InstanceId. | - | diagnosis |
| 400 | CLIENT.UNSUPPORTED_ENGINE_TYPE | Unsupported engine type. | - | diagnosis |
| 400 | CLIENT.UNSUPPORTED_PRODUCT | Unsupported product. | - | diagnosis |
| 400 | CLIENT.CREATE_BACKUP_JOB_ERROR | Create backup job error | - | diagnosis |
| 500 | SERVER.INSTANCE_ID_NOT_FOUND | Instance not found. | - | diagnosis |
| 500 | SERVER.WFE_ERROR | Workflow engine error. | - | diagnosis |
| 500 | SERVER.CREATE_BACKUP_JOB_ERROR | Create backup job error. | - | diagnosis |
| 500 | SERVER.CLONE_INSTANCE_JOB_ERROR | Clone instance job error. | - | diagnosis |
| 500 | SERVER.PRODUCT_TEMPLATE_NOT_FOUND | Product's profile template not found. | - | diagnosis |
| 404 | InvalidInstanceIp.Duplicate | Invalid security IP list specified, duplicated. | Duplicate IP addresses in the whitelist. | diagnosis |
| 404 | InvalidVPCId.NotFound | Specified VPC ID is not found. | - | diagnosis |
| 400 | InvalidVpcIdRegion.NotSupported | The Specified vpcId or vSwitchId not supported. | - | diagnosis |
| 400 | VpcError.NotEnabled | VPC is not enabled in this zone. | - | diagnosis |
| 400 | VpcResource.Exists | Resource(vpc ip) already exists. | - | diagnosis |
| 400 | InvalidVpcIdOrVswitchId.NotSupported | The Specified vpcId or vSwitchId not supported. | - | diagnosis |
| 400 | MissingVpcId | VpcId is mandatory for this action. | - | diagnosis |
| 400 | MissingVswitchId | VswitchId is mandatory for this action. | - | diagnosis |
| 400 | Task.Conflict | Current instance has unfinished task(buy or modify spec). | The instance has an ongoing task. Try again later. | diagnosis |
| 400 | NodeNum.Error | Node number error. | The number of nodes is invalid. | diagnosis |
| 404 | Node.NotFound | Specified node is not found. | - | diagnosis |
| 400 | Resource.NotAvailable | Resource is not available. | - | diagnosis |
| 400 | GetCommodityFailed | Get commodity failed. | - | diagnosis |
| 400 | QUERY_PRICE_RESPONSE_ERROR | Query price failed. | - | diagnosis |
| 400 | GET_COMMODITY_FAILED | Get commodity failed | - | diagnosis |
| 400 | Commodity.VerifyFailed | Commodity verify failed | - | diagnosis |
| 400 | SYSTEM.UNKNOWN_ERROR | The request processing has failed due to some unknown error. | - | diagnosis |
| 400 | SYSTEM.SYSTEM_ERROR | Lx system error. | - | diagnosis |
| 400 | RISK.RISK_CONTROL_REJECTION | Operation is rejected for risk control. | - | diagnosis |
| 400 | AUTH.RAM_AUTH_FAILED | Authorization failed for sub account. | - | diagnosis |
| 400 | COMMODITY.INVALID_COMPONENT | Component choosed is not valid, please re choose it again. | - | diagnosis |
| 400 | PRICE.INQUIRY_FAILED | Query price error. | - | diagnosis |
| 400 | InvalidInquiryPriceParamFault | The request not refer to the correct order price param. please contact customer service. | - | diagnosis |
| 400 | InvalidPriceRatingConfigFault | The request not refer to the correct order price param. please contact customer service. | - | diagnosis |
| 400 | InvalidPriceTaxingFault | The taxing price is not correct. please contact customer service. | - | diagnosis |
| 400 | InvalidPricePlanResult.NotFound | The price plan result does not refer to the account. | - | diagnosis |
| 400 | InvalidPricePlan.NotFound | The price plan tree does not refer to the account | - | diagnosis |
| 403 | InvalidInstance.UnPaidOrder | The specified Instance has unpaid orders. | - | diagnosis |
| 403 | RealNameAuthenticationFaild | You have not completed real-name registration. | - | diagnosis |
| 404 | AccountExistArrearage | Your Account cannot buy the resources because of an arrearage bill. | - | diagnosis |
| 400 | ORDER.INST_HAS_UNPAID_ORDER | Current instance has unpaid order. | - | diagnosis |
| 400 | ORDER.INST_HAS_UNSETTLED_BILLS | Current instance has unsettled bills. | - | diagnosis |
| 403 | InvalidSaleComponentFault | The request references an incorrect order sales component. Contact the customer support. | - | diagnosis |
| 400 | ORDER.INSTANCE_HAS_INACTIVE_CHANGE | Current instance has inactive change action. | - | diagnosis |
| 400 | RealNameAuthenticationFault | Your account has not passed the real-name authentication yet. | - | diagnosis |
| 400 | ORDER.ACCOUNT_STATUS_ILLEGAL | Current account status is illegal | - | diagnosis |
| 400 | ORDER.BID_USER_ORDER_FORBIDDEN | Bid account is not allowed to do this action | - | diagnosis |
| 400 | ORDER.PERIOD_INVALID | Period to buy is not valid. | - | diagnosis |
| 400 | ORDER.QUANTITY_INVALID | Quantity to buy is not valid. | - | diagnosis |
| 400 | ORDER.SYS_CONSTRAINT_INVALID | System constrains faild. | - | diagnosis |
| 400 | ORDER.NOT_ENOUGH_ACTIVITY_STOCK | Does not have enough activity stock. | - | diagnosis |
| 400 | ORDER.ORDER_AMOUNT_ILLEGAL | Current order's amount is illegal. | - | diagnosis |
| 400 | PURCHASE.PURCHASE_QUERY_FAILED | Query purchase failed. | - | diagnosis |
| 400 | PURCHASE.NO_VAILD_PURCHASE | Dose not have valid purchase. | - | diagnosis |
| 400 | PRODUCT.INSUFFICIENT_STOCK | Dose not have enough resource. | - | diagnosis |
| 400 | PRODUCT.NOT_AVAILABLE_IZ | Available iz is not valid. | - | diagnosis |
| 400 | PAY.QUERY_QUOTA_BOOK_FAILED | Pay failed for querying quota book failed. | - | diagnosis |
| 400 | PAY.PAYMENT_PARAMETER_ INVALID | Pay failed for payment parameter not failed. | - | diagnosis |
| 400 | PAY.GET_PAY_URL_ERROR | Pay failed for getting pay url error. | - | diagnosis |
| 400 | PAY.NO_CREDIT_CARD | Pay failed for no credit card. | - | diagnosis |
| 400 | PAY.CURRENCY_INCONSISTENCY | Pay failed for currency inconsistency. | - | diagnosis |
| 400 | PAY.CURRENCY_NOT_SUPPORTED | Pay failed for currency not supported. | - | diagnosis |
| 400 | PAY.AMOUNT_LIMIT_EXCEEDED | Pay failed for amount limit exceed. | - | diagnosis |
| 400 | PAY.INVALID_AMOUNT | Pay failed for invalid amount. | - | diagnosis |
| 400 | PAY.USER_DECLINED | Pay failed for user has declined. | - | diagnosis |
| 400 | PAY.COUPON_NOT_MEET_CONSUMPTION_RULE | Pay failed for coupon not meet consumption rule. | - | diagnosis |
| 400 | PAY.TAX_CALC_FAILED | Pay failed for tax calculate failed. | - | diagnosis |
| 400 | PAY.ACCOUNT_BOOK_NOT_EXIST | Pay failed for account book not exist. | - | diagnosis |
| 400 | PAY.STORED_CARD_NOT_EXIST | Pay failed for stored card not exist. | - | diagnosis |
| 400 | PAY.COUPON_NOT_EXIST | Pay failed for coupon not exist. | - | diagnosis |
| 400 | PAY.WITHHOLDING_AGREEMENT_ILLEGAL | Pay failed for withholding agreement illagal. | - | diagnosis |
| 400 | PAY.REFUND_FAILED | Pay failed for refund failed. | - | diagnosis |
| 400 | PAY.INSUFFICIENT_BALANCE | User attempted to create a new order.but user account balance is insufficient. | - | diagnosis |
| 400 | PAY.INVALID_CREDIT_CARD | Pay failed for credit card invalid. | - | diagnosis |
| 400 | PAY.PAY_ORDER_FAILED | Pay order failed. | - | diagnosis |
| 400 | Unknown.Exception | The Request Server Is Error Or The Response Can Not Be Null. | - | diagnosis |
| 400 | ProxyError | Invoke proxy error. | Failed to call the proxy. | diagnosis |
| 400 | PAY.MAYI_WITHHOLDING_AGREEMENT_ILLEGAL | Mayi user do not sign withholding agreements or no coupons at Alipay. | - | diagnosis |
| 400 | LockTimeout | The request processing has failed due to lock timeout. | - | diagnosis |
| 400 | InvalidStartTime.Format | The Specified parameter StartTime is not valid. | - | diagnosis |
| 400 | InvalidEndTime.Format | The Specified parameter EndTime is not valid. | - | diagnosis |
| 400 | InvalidParameters.Format | Specified parameters is not valid. | - | diagnosis |
| 400 | InvalidParam | param not valid. | - | diagnosis |
| 400 | DefaultVpc.NotSupport | The default vpc create is not support. | - | diagnosis |
| 400 | PAYFOR.CREDIT_PAY_INSUFFICIENT_BALANCE | Insufficient credit pay balance. | - | diagnosis |
| 400 | InvalidReplicationFactor | The current mongodb instance is prepay,the order type is downgrade. but the request replicationFactor value is greater than the dbInstance replicationFactor. | - | diagnosis |
| 400 | SYSTEM_ERROR | LX system error. | - | diagnosis |
| 400 | Trade_Complete_Article_ERROR | LX trade complete article error. | - | diagnosis |
| 400 | Trade_Complete_User_Info_ERROR | LX trade complete user info error. | - | diagnosis |
| 400 | InvalidStartTime.Malformed | The specified StartTime is invalid. | - | diagnosis |
| 400 | InvalidBackupSet.NotMatched | Specified backup set does not match instance. | Unmatched backup set ID. | diagnosis |
| 403 | RR307 | Risk reject. | - | diagnosis |
| 503 | ServiceUnavailable | The request has failed due to a temporary failure of the server. | A server error occurred. Please try again later. If this error persists, submit a ticket. | diagnosis |
| 400 | InsufficientResourceCapacity | There is insufficient capacity available for the requested instance. | Insufficient resources in the specified region or zone. Specify another zone or submit a ticket. | diagnosis |
| 400 | ServiceNotSupported | The specified service is not supported. | A service error occurred. Please try again later. If this error persists, submit a ticket. | diagnosis |
| 404 | InvalidStatus.NotFound | The Status provided does not exist in our records. | The instance status does not exist. Check whether the entered parameters are correct. | diagnosis |