The OperationContractAttribute declared on method '{0}' in type '{1}' is invalid. OperationContractAttributes are only valid on methods that are declared in a type that has ServiceContractAttribute. Either add ServiceContractAttribute to type '{1}' or remove OperationContractAttribute from method '{0}'.
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 ...
The optional '{0}' property's value was not set to the specified value and setting the property to the specified value was ...