Browser: HTTP Error 502.5 - Process Failure

Just upgraded to Visual Studio 2017 from Visual Studio 2015. Everything went well until I deployed the application. I kept getting 502.5 from the server.

I turns out Visual Studio 2017 changed   from 1.1.0 to 1.1.1. I found it by opening the project.csproj file.Just right click on the project open the file and make sure 

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the hosting environment has that version installed. In my case I just needed to change back to 1.1.0 and bang it started to work.

Here is where I got the hint what to search for.