In contract '{0}', there are multiple operations with Method '{2}' and a UriTemplate that is equivalent to '{1}'. Each operation ...

In contract '{0}', there are multiple operations with Method '{2}' and a UriTemplate that is equivalent to '{1}'. Each operation requires a unique combination of UriTemplate and Method to unambiguously dispatch messages. Use WebGetAttribute or WebInvokeAttribute to alter the UriTemplate and Method values of an operation.