Roslyn Compiler Not Found

I recently ran into an issue debugging an ASP.NET 4.8 application in Visual Studio Community Edition. On startup, an error page pops up with message “Could not Find a part of the path bin\roslyn\csc.exe.

Running this command fixed it for me:

Update-Package Microsoft.CodeDom.Providers.DotNetCompilerPlatform -r

Answer is explained here in detail: