ERROR: Activated Event Time Duration Thread Exception: Exception thrown: 'System.TypeInitializationException' in EntityFramework.dll ("The type initializer for 'System.Data.Entity.Internal.AppConfig' threw an exception."). Exception thrown: 'System.TypeInitializationException' in EntityFramework.dll ("The type initializer for 'System.Data.Entity.Internal.AppConfig' threw an exception.")

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esmaeil On Best Solutions

The steps s for solving my problem:

1.I removed EntityFramework 6.2.0 and installed it again.

2.I deleted ModelData Base and added to project it again.

With this solution, my problem solved.