I have a production environment, to which I make a sandbox copy. In the sandbox environment, I run a customized extension. It currently works fine. The necessary changes are made, it runs, and tests ...

System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object. at ...

Hej Jeg får denne fejl og kan ikke forstå hvorfor jeg heller ikke får nogle data ned i min dropdownlist inden jeg prøver en insert Server Error in '/' Application ...