Microsoft dot NET Framework unhandled exception

I have had a problem recently when I tried to launch the program, it gives me “unhandled exception error”.
When this error happens, I just ignore the message and close the program after using it.
There’s nothing wrong with the program, but it is annoying when I tried to run it, the error message pop again.
Please help me, what's causing this problem, I already tried to correct the problem with no result.

Microsoft .NET Framework
Unhandled exception has occurred in a component in your application.
If you click Continue, the application will ignore this error and attempt to continue.
Field not found:
Microsoft.businessSolutions.eCRM.businessLayer.BcmDataStore.CxnOpeningProgresHandler'.
