Problem In Running Project MVC In New System

Question

Hello Everyone ,

 

I have Phase some problem when create a MVC File on new system ...please solve this Problem.. 

 

 

 

 

Server Error in '/' Application.

Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS1617: Invalid option '6' for /langversion; must be ISO-1, ISO-2, 3, 4, 5 or Default

Source Error:

[No relevant source lines]

Source File: Line: 0

Show Detailed Compiler Output:

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Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.34280

Answer 1

Looks like a configuration issue. Please take a look at this short discussion:

http://stackoverflow.com/questions/31868803/error-invalid-option-6-for-langversion-must-be-iso-1-iso-2-3-4-5-or-defa