Correct me if I'm wrong, but I don't see a 1.12.2 version in the file log and I don't know how to open it in my ModPack. If you can please help me open it.

I'm not sure what you mean, these are 1.12.2 files:
https://www.curseforge.com/minecraft/mc-mods/cleanview/files/all?filter-status=1&filter-game-version=2020709689%3A6756