An exception of type 'System.Collections.Generic.KeyNotFoundException' occurred in mscorlib.dll but was not handled in user code
Additional information: The given key was not present in the dictionary.
I was working on a SilverLight application and come accross this error:
An exception of type 'System.Collections.Generic.KeyNotFoundException' occurred in mscorlib.dll but was not handled in user code
Additional information: The given key was not present in the dictionary.
Solution Right click Service Reference namespace in the Service References folder and choose Update Service Reference to recreate the .ClientConfig