The operation {0} either has a parameter or a return type that is attributed with MessageContractAttribute. In order to represent the request message using a Message Contract, the operation must have a single parameter attributed with MessageContractAttribute. In order to represent the response message using a Message Contract, the operation's return value must be a type that is attributed with MessageContractAttribute and the operation may not have any out or ref parameters.
The operation has no matching binding. Check if the operation, input and output names in the Binding section match with the ...
The operation is not supported because the protocol {0} is enabled for application '{1}' and the application is running in ...
The operation to establish the WebSocket connection timed out. To increase this time limit, use the OpenTimeout property ...
The operation with name '{0}' must be enabled to use the ReceiveContext ManualAcknowledgement mode when the BufferedReceiveServiceBehavior ...
The operation {0} either has a parameter or a return type that is attributed with MessageContractAttribute. In order to represent ...
The OperationContractAttribute declared on method '{0}' in type '{1}' is invalid. OperationContractAttributes are only valid ...
The OperationFormatter could not deserialize any information from the Message because the Message is empty (IsEmpty = true). ...
The operations in a wsdl:binding in a DESCRIPTION MUST result in wire signatures that are different from one another. An ...
The operator '{0}' at position {1} of expression '{2}' is not supported for the 'null' literal; only equality checks are ...