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HTTP Error 500.30 - ANCM In-Process Start Failure #211


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Leaf created
  • ABP Framework version: 2.8
  • UI type:MVC
  • Tiered (MVC) or Identity Server Seperated (Angular): no
  • Exception message and stack trace: HTTP Error 500.30 - ANCM In-Process Start Failure
  • Steps to reproduce the issue:

Previous was able to run. Can help to advice where to check on this please...

Error in Main(string[] args) Message = "Could not load type 'Volo.Abp.Localization.LocalizationResourceNameAttribute' from assembly 'Volo.Abp.Localization, Version=2.8.0.0, Culture=neutral, PublicKeyToken=null'."

Error from Microsoft Edge HTTP Error 500.30 - ANCM In-Process Start Failure Common solutions to this issue: The application failed to start The application started but then stopped The application started but threw an exception during startup Troubleshooting steps: Check the system event log for error messages Enable logging the application process' stdout messages Attach a debugger to the application process and inspect For more information visit: https://go.microsoft.com/fwlink/?LinkID=2028265

Below is the error from Event Viewer IIS Express AspNetCore Module V2

Regards, Leaf

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    maliming created
    Support Team Fullstack Developer

    Can your application be successfully built?

    Can you reproduce the problem if you use abp cli to create a new project?

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Made with ❤️ on ABP v10.8.0-preview. Updated on September 28, 2026, 11:44
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