Operations cannot contain more than one parameter when using MessageContracts for operation '{0}' in contract '{1}'. Please provide a valid contract definition.
OperationDescription '{0}' is invalid because its Messages property contains an invalid number of MessageDescription instances. ...
OperationFormatter encountered an invalid Message body. Expected to find an attribute with name 'type' and value 'null'. ...
OperationFormatter encountered an invalid Message body. Expected to find an attribute with name 'type' and value 'object'. ...
OperationFormatter encountered an invalid Message body. Expected to find node type 'Element' with name '{0}' and namespace ...
Operations cannot contain more than one parameter when using MessageContracts for operation '{0}' in contract '{1}'. Please ...
Operator '{0}' is ambiguous on operands of type '{1}' and '{2}'. Cannot mix signed and unsigned types. Please use explicit ...
Operator '|1' doesn't return a value on all code paths. A null reference exception could occur at run time when the result ...
Operator '|1' is not defined for types '|2' and '|3'. You can use the 'Value' property to get the string value of the first ...
Operator declaration must be one of: +, -, *, \, /, ^, , Like, Mod, And, Or, Xor, Not, >, =, , >=, CType, IsTrue, IsFalse. ...