HTTP Error 500.30 - ASP.NET Core app failed to start

The HTTP Error 500.30 typically indicates that there is an issue with the ASP.NET Core application, and it failed to start correctly. This error can occur due to various reasons such as configuration issues, missing dependencies, or runtime errors.
Solutions:
1. Restart IIS
2. Check your Project Configuration like appsettings.json and web.config
3. Restart Application Pool
4. Check your project need VPN.
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