Unable to start debugging on the webserver.

Database.SetInitializer(null);

 

The type initializer for 'System.Data.Entity.Internal.AppConfig' threw an exception.

try like this may be usefull

 

neglect the parameter then try this  

Configuration Error

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: Unrecognized configuration section entityFramework.

Source Error:

Line 49:

Line 50:

Line 51:

Line 52:

Line 53:

Source File: E:\MVC\Mvc4Application\Mvc4Application\web.config Line: 51

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.17929

 

 

hi,

refer below link :-

 

https://stackoverflow.com/questions/1819740/error-unable-to-start-debugging-on-the-web-server-asp-net-4-0

 

Hope it helps.....