https://docs.kentico.com/k11/installation/upgrading-to-kentico-11/upgrading-custom-code
I followed the mentioned steps, but I am getting below error message.
The Application could not be started. Do you want to view information about the issue?
Screenshot link: https://ibb.co/tJMjStY
If I click yes button means below page will be open.
https://docs.microsoft.com/en-us/dotnet/framework/deployment/initialization-errors-managing-the-user-experience?version=(null)&processName=CodeUpgrade.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0