I have no idea what to do next and the game won't launch

[BlueTitan260]

I have followed the steps in the code section, and the mod has been installed, but I didn't know how to start it. Then I downloaded the appx via the ONIX (https://github.com/bernarddesfosse/onix_compatible_appx/releases/) link and installed it. When launched, image above showed, and applies for all versions as well. What to do?

some more screen shots if it helps:

(version 12.0)

What is the point of this???