ASP.NET Compillation Error BC31007 - Solution

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TToday while I am working on the ASP.NET application, I suddenly encountered with below error while trying to debug the application.

I tried couple of actions:

.    ·         Clean and rebuild solution
·         IDE restart
·         Temporary asp.net files cleanup
·         System restart
·         Modified Identity in App pool


Finally it got resolved by modifying the Identity to “Local System” in Application Pool


Server Error in '/My App’ 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: BC31007: Unable to open module file 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\crs\b1234521\35244951\App_global.asax.v8-jml4w.0.vb': System Error &Hc0000005& (Visual Basic internal compiler error)

Source Error:

[No relevant source lines]

Source File: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\crs\b1234521\35244951\App_global.asax.v8-jml4w.0.vb :    Line: 0


Show Detailed Compiler Output:

Comments

Romil Hathiyawat said…
Hi Srinivasa,

Thanks for this write up, it worked with me. after too many search I got this solution.
May 20, 2021 at 5:43 AM
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