id summary reporter owner description type status priority milestone component version severity resolution keywords cc external_id 2315 Meaningless System.Exception thrown if no proxy for unmanaged exception found jng jng "If an MgException-derived exception is thrown from the C++ code, and the .net wrapper fails to resolve an appropriate .net proxy class equivalent to throw on the managed side. A plain vanilla System.Exception is thrown. This is not an issue, except that the exception is thrown without a message, making error diagnosis quite unhelpful. At the very least, this exception should contain the .net class name of the proxy exception class we could not find to throw a new instance of." defect closed low Web API 2.5.0 trivial fixed