Turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the configuration behavior) on the server

Question

I have a WCF service that has been working perfectly, and something has changed and I don\'t know what.

I get this exception:

System.ServiceMo

Answer 1

As the error information said first please try to increase the timeout value in the both the client side and service side as following:

Then please do not forget to apply this binding configuration to the endpoint by doing the following:

If the above can not help, it will be better if you can try to upload your main project here, then I want to have a test in my side.