HTTP status code Error code Error message Description
400 ServiceIsConfiguring A previous configuration is pending; please try again later. A previous configuration has not been completed. Please try again later.
400 VServerGroupProcessing A previous configuration of the VServer group is pending; please try again later. A previous configuration of the VServer group has not been completed. Please try again later.
400 OperationBusy A previous operation is pending. A previous operation is waiting to be completed. Please try again later.
400 LX_REQUEST_TOKEN_CONFLICT The ClientToken is conflict. The client token conflicts with another token.
400 CommodityCodeNotExists The account can't get CommodityCode. Failed to obtain the CommodityCode. Please try again later.
400 PAY.PAY_ORDER_FAILED The account failed to pay order. The account failed to pay the order.
400 PAY.INVALID_CREDIT_CARD The account Credit card is invalid. The credit card is invalid.
400 PAY.REFUND_FAILED The account failed to Refund. Failed to refund the money to the account.
400 PAY.WITHHOLDING_AGREEMENT_ILLEGAL The account withholding agreement is illegal. The withholding agreement of the account is invalid.
400 PAY.COUPON_NOT_EXIST The account coupon doesn't exist. The specified coupon does not exist.
400 PAY.STORED_CARD_NOT_EXIST The account stored card doesn't exist. The specified stored-value card of the account does not exist.
400 PAY.ACCOUNT_BOOK_NOT_EXIST The account Book doesn't exist. The specified reservation of the account does not exist.
400 PAY.TAX_CALC_FAILED The account Tax failed to calculate. Failed to calculate the tax of the account.
400 PAY.COUPON_NOT_MEET_CONSUMPTION_RULE The account coupon doesn't meet consumption rule. The coupon cannot be used, because it does not meet the rules.
400 PAY.USER_DECLINED The account declined to pay. The payment is declined by the account.
400 PAY.INVALID_AMOUNT The account amount is invalid. The payment amount is invalid.
400 PAY.AMOUNT_LIMIT_EXCEEDED The account amount limit exceeded. The number of accounts has reached the limit.
400 PAY.CURRENCY_NOT_SUPPORTED The account Currency doesn't support. The specified currency is not supported.
400 PAY.CURRENCY_INCONSISTENCY The account Currency is inconsistency. You must use the required currency.
400 PAY.NO_CREDIT_CARD The account doesn't have Credit Card. You must link a credit card to the account.
400 PAY.GET_PAY_URL_ERROR The account failed to get Pay Url. Failed to obtain the URL used for payment.
400 PAY.PAYMENT_PARAMETER_INVALID The account payment parameters are invalid. The payment parameters of the account are invalid.
400 PAY.QUERY_QUOTA_BOOK_FAILED The account failed to query quota book. Failed to query the quota of the account.
400 PRODUCT.INSTANCE_RELEASED The Instance is released. The specified instance is already released.
400 PRODUCT.INSTANCE_TYPE_NOT_EXIST The Instance type doesn't exist. The specified instance type does not exist.
400 PRODUCT.INSTANCE_TYPE_NOT_SUPPORTED The Instance type doesn't support. The specified instance type is not supported.
400 PRODUCT.NOT_AVAILABLE_IZ The Instance zone id doesn't support. The specified zone ID is not supported.
400 PRODUCT.INSUFFICIENT_STOCK The product stock is insufficient. The request failed due to the shortage of stocks.
400 PURCHASE.NO_VAILD_PURCHASE The purchase is invalid. The purchase failed.
400 PURCHASE.PURCHASE_QUERY_FAILED The purchase failed to query. Failed to query the purchase.
400 ORDER.ORDER_AMOUNT_ILLEGAL The order amount is illegal. The number of orders is invalid.
400 ORDER.NOT_ENOUGH_ACTIVITY_STOCK The order activity stock is not enough. The request failed due to the shortage of stocks.
400 ORDER.SYS_CONSTRAINT_INVALID The order system constraint is invalid. The attributes of the product in the order failed to pass the constraint verification.
400 ORDER.QUANTITY_INVALID The maximum number of SLB instances is exceeded. The number of SLB instances has reached the limit.
400 ORDER.PERIOD_INVALID The order period is invalid. The payment cycle is invalid.
400 ORDER.BID_USER_ ORDER_FORBIDDEN The order of bid user is forbidden. Bid users are not allowed to place orders.
400 ORDER.ACCOUNT_STATUS_ILLEGAL The order account status is illegal. The status of the account does not permit the order.
400 ORDER.QUOTA_EXCEEDED The order quota exceeded. The total number of instances has reached the quota. To increase the quota, open a ticket.
400 ORDER.OPEND The account order is open to buy loadbalancer. You must activate the SLB service for the account.
400 ORDER.NO_REAL_NAME_AUTHENTICATION The account is not real name authentication. The account must pass the real-name verification.
400 ORDER.ARREARAGE The account is arrearage. The balance of your account is insufficient. Please update the status of your account and try again.
400 ORDER.INSTANCE_HAS_INACTIVE_CHANGE The instance has inactive change. An invalid order of instance specification change exists.
400 ORDER.INST_HAS_UNSETTLED_BILLS The instance has unsettled bills. The instance has unsettled bills.
400 ORDER.INST_HAS_UNPAID_ORDER The instance has unpaid order. The instance has unpaid bills.
400 PRICE.PRICING_PLAN_NOT_FOUND The instance pricing plan is not found. Failed to find the pricing plan of the specified instance.
400 PRICE.PRICING_PLAN_RESULT_NOT_FOUND The instance pricing plan result is not found. Failed to find the pricing plan of the specified instance. Please open a ticket.
400 PRICE.TAXING_ERROR The instance pricing tax is error. The price tax of the instance is invalid.
400 PRICE.INVALID_INQUIRY_PARAMETER The instance pricing inquiry parameter is invalid. The instance pricing query parameter is invalid.
400 PRICE.INQUIRY_FAILED The instance pricing inquiry is failed. Failed to query the pricing of the specified instance.
400 COMMODITY.INVALID_COMPONENT The instance component is invalid. The instance component is invalid.
400 AUTH.RAM_AUTH_FAILED The ram authentication of sub-user is failed. The access control authentication of the RAM user failed.
400 RISK.RISK_CONTROL_REJECTION The account is rejected by risk control system. The account is rejected by the risk control system.
400 CreateOrderFailed The account failed to create order. Failed to create the order.
400 OrderFailed The account failed to create order. Failed to create the order. Please try again later.
400 ARREARAGE The account has some ARREARAGE. The account has overdue bills.
400 INSUFFICIENT_BALANCE The account Balance is insufficient. The balance of the account is insufficient.
400 NO_REAL_NAME_AUTHENTICATION The account should be Real Name Authenticated. The account must pass the real-name verification.
400 INVALID_COMPONENT This account can't buy such type loadbalancer. The account is not allowed to buy the specified type of instance. Please choose a different instance type.
400 NOCARD User Profile doesn't have card. You must link the account to a bank card first.
400 RuleNotSupport Rule is not support in the tcp type listener. TCP listeners do not support forwarding rules.
400 UserProfileNotComplete User profile is not completed. You must provide required user information first.
400 InvalidParameter Invalid parameter in the request. One or more parameters in the request are invalid.
400 URLNotSupport the URL in the rule is invalid. The specified URL in the rule is invalid. Please check if the URL is correct.
409 ServiceIsStopping The specified Listener is stopping, please retry later. The specified listener is being stopped. Please try again later.
400 AccountHasArrearage Account has some arrearage. The account has overdue bills.
404 InvalidRuleId.NotFound Rule does not exist. The specified rule does not exist.
400 OverQuota Instance num exceeded Quota. The number of instances has reached the quota.
400 NoNameAuthentication Account should be Name Authenticated. The account must pass the real-name verification.
400 InvalidOwnerAccount The input parameter OwnerAccount is invalid. The specified OwnerAccount is invalid.
400 InvalidResourceOwnerAccount The input parameter ResourceOwnerAccount is invalid. The specified ResourceOwnerAccount is invalid.
400 InvalidOwnerId The specified OwnerId or OwnerAccount is invalid. The specified OwnerId or OwnerAccount is invalid.
400 InvalidOwnerId The input parameter OwnerId or OwnerAccount is invalid. The specified OwnerId or OwnerAccount is invalid. Please check if the value is correct.
400 OverQuota The Total is over the quota. The total number has reached the quota. Please reduce the number and try again.
400 ServiceUnavailable The vpc subnet is not exist. The VPC subnet does not exist or no IP address is available in the CIDR block of the VSwitch. Please check if the value is correct.
400 RegionNotSupport The specified region not supported. The specified region is not supported.
400 ListenerNumberOverLimit The maximum number of listeners is exceeded. The number of listeners has reached the limit. The number of listeners must be no more than 30.
400 KeyFormatError The specified ServerCertificate is incorrectly formatted. The format of the ServerCertificate parameter is incorrect.
400 InvalidParameter The Lb Name is Not supported. The specified parameter is invalid.
400 InvalidParameter The Instance is Not Available. The specified instance is not available.
449 SystemBusy The system is busy. The system is busy. Please try again later.
400 ActionNotAllowed The action is not allowed. The operation is not allowed.
400 UserNotAllowed The user is not allowed, please submit the application. You are not authorized to perform this operation. Please open a ticket.
400 SourceItemsQuotaOverLimit The maximum number of SourceItems is exceeded. The number of IP addresses has reached the limit of the SourceItems parameter. The number of IP addresses cannot exceed 300.
400 ActionNotAllowed The load balancer instance does not allow to be upgrade. The specified SLB instance is not allowed to be upgraded.
400 ActionNotAllowed Locked for any Business Reason. The SLB instance is locked due to service reasons.
400 ActionNotAllowed Locked for any Operate Reason. The instance is locked due to specification change. It will be unlocked at 00:00 the next day.
400 ActionNotAllowed Listener AccessControl Status is Incorrect. The access control function of the listener is disabled.
400 InvalidParameter The Protocol is not Support The protocol is not supported.
400 InvalidParameter The listen bandwidth is not Support The specified bandwidth of the listener is invalid.
400 ActionNotAllowed The Intranet LB's InternetChargeType is not allowed change to paybybandwidth. The specified SLB instance is not allowed to be changed to bandwidth-based billing.
403 Forbbiden.SubUser illegal bid A problem exists with the account.
400 InvalidParameter The specified resource does not exist. The specified resource does not exist.
409 BackendServer.configuring A previous configuration of the load balancer is pending; please try again later. A previous configuration of the SLB instance has not been completed. Please try again later.
400 ObtainIpFail The specified BackendServers is invalid; some of the specified backend servers do not exist or are not running. The specified BackendServers is invalid. Some of the specified backend servers do not exist or are not running. Please check if the value is correct.
503 ServiceUnavailable The specified region not support VPC. The specified region does not support VPC.
400 InvalidParameter the special internet EIP donot support the VPC network type. The specified EIP does not support the VPC network type.
400 InvalidParameter The specified load balancer does not support the network type of the ECS instance. The SLB instance does not support the ECS instance of the specified network type. Please choose an ECS instance of a different network type.
400 InvalidParameter The specified RegionId does not exist. The specified RegionId does not exist. Please check if the value is correct.
400 InvalidParameter The specified vpc cloud instance has deleted The specified VPC has already been deleted.
400 InvalidParameter The specified vpc cloud instance is deleteing. The specified VPC is being deleted.
400 PARAMETER_FIELD_ERROR The specified param is invalid. The specified parameter is invalid.
400 InvalidParameter The vpc info of LB is empty. The VPC information of the specified instance is empty. Please check if the VPC is valid.
400 InvalidParameter The vpc Ip is exist. The specified VPC IP address is in use. Please use another IP address and try again.
400 InvalidParameter The Ip is not Supported. The specified IP address is not supported.
400 InvalidParameter The RsList is illegal. The specified parameter is invalid.
400 InvalidParameter The Tunnel id is invalid. The specified tunnel ID is invalid.
400 InvalidParameter The Rs IP is empty. Failed to obtain the IP address of the backend server.
400 InvalidParameter The VmName is emtpy. You must specify the ServerId.
400 InvalidParameter The App id is invalid. The specified app ID is invalid.
400 InvalidParameter The Vgw ip is empty. You must specify the Virtual Gateway IP address.
400 InvalidParameter The vm address is not Support. The IP address of the backend server does not permit this operation. Please change the IP address of the backend server and try again.
400 InvalidParameter The site is not exist. The specified primary and secondary zones are invalid.
400 InvalidParameter The serviceUnit and eip is not match. The service unit and EIP do not match.
400 InvalidParameter The vgw ip is not support. The specified Virtual Gateway IP address does not support this operation.
503 ServiceUnavailable Illegal Service. The service is unavailable.
503 ServiceUnavailable Vpc Service error. A VPC service error has occurred. Please check the parameter and try again.
503 ServiceUnavailable System exception. A system error has occurred. Please try again.
500 InternalError Illegal sign. The system is busy. Please try again later.
500 InternalError Query ecs info fail. Failed to query the ECS information.
500 InternalError Illegal timestamp. The specified timestamp is invalid.
500 InternalError Illegal format. The format is invalid.
500 InternalError Illegal user. The user is illegal.
500 InternalError Illegal sign type. The signature type is invalid.
500 InternalError Illegal aliyun idkp. The account credentials are invalid.
503 ServiceUnavailable The cloud instance id is invaild. The specified instance ID is invalid.
400 InvalidParameter The type is invalid. The specified type is invalid. Please check if the type permits the operation.
400 InvalidParameter The lvsgw vip is same. The specified gateway IP address is in use.
400 InvalidParameter The resource already exists. The specified resource already exists.
400 InvalidParameter The resource status is invalid. The resource status is invalid.
400 UnsupportedOperationonfixedprotocalport The operation is not supported by the protocol of the specified port. The protocol of the specified port does not support the operation. Please check if the protocol of the port is correct.
500 InternalError The request processing has failed due to backend service exception. The request failed due to an error of the backend service.
400 PrivateKeyEncryption Key has Encrypted . Private keys do not need to be encrypted.
400 CertificateNotMatchPrivateKey Certificate and key does not match. The certificate and key do not match. Please check if the certificate and key are correct.
400 InvalidParameter The specified parameter ServerCertificate format is error. The format of the ServerCertificate is incorrect. Please modify the format and try again.
400 CertificateAndPrivateKeyIsRefered Certificate and PrivateKey Is Refered. The specified certificate is being used by the listener.
400 InvalidParameter The specified parameter ServerCertificateId is empty. The specified ServerCertificateId is null.
400 InvalidParameter The specified parameter ServerCertificateId is not Support. The specified ServerCertificateId is not supported.
400 InvalidParameter The specified parameter ServerCertificate or Key is empty. The specified ServerCertificate or Key is null.
400 InvalidParameter The specified parameter key format is error. The format of the key is incorrect.
400 InvalidParameter The specified port is not valid. The specified port is invalid.
400 InvalidParameter The specified bandwidth is not valid. The specified bandwidth is invalid.
400 VipNotMatchRspool The vip protocol is not match with Rspool. The backend server group does not match the listener. Please check the configurations of the backend server group and listener.
400 InvalidParameter The specified Bandwidth is invalid. It exceeds the maximum bandwidth available to the instance. The specified bandwidth is invalid. The total bandwidth values of all listeners in the instance has exceeded the maximum bandwidth of the instance.
400 InvalidParameter The specified Bandwidth is invalid. The specified bandwidth is invalid. Please check if the bandwidth is correct.
400 InvalidParameter The specified SourceItems is invalid. The specified SourceItems is invalid. Please check if the value is correct.
400 VipTooManyListeners The total number of input listeners exceeds max supported number: 10 Up to 10 listeners can be created for an instance. The number of listeners has exceeded the limit.
400 InvalidParameter The specified protocol is not valid. The specified protocol is invalid.
404 InvalidParameter The specified VServerGroupId does not exist. The specified VServerGroupId does not exist. Please check if the value is correct.
400 InvalidParameter Illegal user ID. The user ID is invalid.
400 InvalidParameter User ID is null You must specify the user ID.
400 InvalidParameter The specified parameter: lb_type is not valid. The specified lb_type is invalid.
400 InvalidParameter The specified parameter: mode is not valid.. The specified mode is invalid.
503 ServiceUnavailable The specified loadbalancer name has been used. The specified SLB instance name is being used by another instance.
400 TcpNotSupportForHybridLb Hybrid type loadbalancer doesn't support TCP type listener Hybrid SLB instances do not support TCP listeners.
400 InvalidParameter The specified BackendServers is invalid. The specified BackendServers is invalid. Please check if the value is correct.
400 InvalidParameter The specified BackendServers is invalid, as the Port value should be in [1, 65535]. The specified BackendServers is invalid. Please make sure that the port number falls into the range of 1 to 65535.
400 UnsupportedOperation The Loadbalancer doesn't support this function. SLB does not support this function.
400 TooManyBackendServers The total number of input real servers exceeds max supported number: 20 Up to 20 backend servers can be specified in one request. The number of specified backend servers has exceeded the limit.
400 InvalidParameter The specified parameter is not valid. The specified parameter is invalid. Please check if the value is correct.
400 InvalidParameterLength The specified parameter length is not valid. The length of the parameter value is invalid.
400 InvalidAuthorization The Request is not authorization. The request is not authorized.
500 InternalInvokeError The internal invoking has failed due to unknow error. The request failed to be processed due to unknown errors.
400 OssInstanceDataNotFound The oss instance of the demand is not exist The specified OSS instance does not exist.
400 InvalidAuthorizationStatus The authorization status is not valid. The authorization status is invalid.
500 InternalInvokeError The internal invoking has failed. An internal error has occurred.
400 InsufficientCapacity There is insufficient capacity available for the requested The number of SLB instances has reached the quota. To increase the quota, open a ticket.
400 ProcessingSameRequest The same request is being processed. Please try later. A same request is being processed. Please try later.
404 InvalidRegionId.NotFound The specified RegionId does not exist. The specified RegionId does not exist. Please check if the product is available in the specified region.
404 InvalidServerId.NotFound The specified ServerId does not exist. The specified ServerId does not exist. Please check if the value is correct.
503 InvalidParameter The request has failed due to a temporary failure of the server. The request failed due to a server failure.
400 InvalidParameter Specified parameter is not valid. The specified parameter is invalid.
503 ServiceUnavailable The request has failed due to a temporary failure of the server now. The request failed due to a server failure.
400 UnsupportedOperation The specified action is not supported. The operation is not supported.
400 ListenerAlreadyExists A listener with the specified port already exists The specified port number is already associated with another listener.
404 ListenerNotFound You have not created a listener for the specified port of the load balancer. You must create a listener for the specified port of the SLB instance first.
404 CheckedListenerNotFound No health-checked Listener to the specified port of the Load Balancer. You must configure health checks for the specified SLB instance first.
400 IpNotAvailable The specified network type load balancer load balancer . The specified network type of the SLB instance is invalid. Please check if the value is correct.
400 InvalidWeight.Malformed A specified weight is not valid. The specified weight is invalid.
500 IncorrectListenerAccessControlStatusStatus Current listener access control status does not support this operation. The access control status of the listener does not permit this operation.
400 MissingParameter The combination of some parameters violates the spec. The request parameters are in conflict.
400 UnsupportedParameter The specified parameter is not unsupported. One or more parameters are not supported.
403 Forbidden User not authorized to operate on the specified resource. You are not authorized to operate on this resource. Please apply for RAM permissions and try again.
400 TooManyBackendServers The backend server parameter has too many entries. The number of specified backend servers in a request has exceeded the limit.
403 Forbbiden.SubUser TUser not authorized to operate on the specified resource as your account is created by another user. This user is not authorized to operate the resources under the specified account. Please authorize the user first.
400 InvalidBackendServers.Inconsistent All BackendServers on one Specified LoadBalancer have to be in the same vpc or all classic All backend servers of an SLB instance must belong to the same VPC or classic network.
400 InvalidServerId.NotFound The specified server is not found. The specified backend server does not exist.
400 InvalidIdentity The request identity was not allowed operated. The request authentication failed.
400 DomainAlreadyExists Protected DomainName already exists. The specified domain name already exists.
400 DomainNotExisted Don't delete or update not existed protected DomainName. The specified domain name does not exist.
400 IpListItemFormatError please check the ip list item format error. The format of the IP address list is incorrect.
400 SecurityNotSupport security function not support on this listener. The specified listener does not support the security function.
400 DomainExist rule with same domain and url already exists in specified vip A rule with the same domain name and URL already exists.
400 TooManyRules the number of rules under specified vip is beyond maximum limit. The number of rules added for the listener has exceeded the limit.
400 RspoolVipExist there are vips associating with this vServer group. The specified VServer group is already associated with another listener. Please disassociate the VServer group first.
400 RspoolRuleExist there are rules associating with this vServer group. The specified VServer group is associated with a forwarding rule. Please disassociate the VServer group from the forwarding rule.
400 BackendServersMalformed the specified parameter BackendServers is unavailable. The specified BackendServers is invalid.
400 RuleListMalformed the specified parameter RuleList is unavailable. The specified RuleList is invalid.
400 DomainMalformed the specified domain in RuleList parameter is unavailable. The format of the specified domain is invalid.
400 UrlMalformed the specified url in RuleList parameter is unavailable. The specified URL in the RuleList parameter is invalid.
400 NetworkConflict there are network conflicts in specified parameter. Networks specified in the parameters conflict with each other. Please check if the values are correct.
400 VServerGroupEmpty The specified VServerGroupId is invalid; it does not contain vServers. The specified VServerGroupId is invalid. Make sure that it contains VServers and try again.
400 VpcZoneNotSupportCreate The specified zone dont not supported . The specified zone does not support VPC.
400 VpcStatusError the specified vpc status is creating. The specified VPC is being created.
400 TagCreateCountLimit tags create count limit exceeded. The number of tags has exceeded the quota.
400 TagCountLimit Tags count limit exceeded. The number of tags has exceeded the quota.

For a list of error codes, visit the API Error Center.