the mod shopisticated backpack on 1.20.4 when trying to download it from curseforge it says i dont have the correct version for it, i try to download online and send it to mods file but it gives me an error when starting minecraft, can i get some help?

Steps to reproduce the behavior:

1. try to install the mod shopisticated backpack on 1.20.4 but it says forge not suported diferent version

sophisticated backpack version 1.20.4

Are you running this with neoforge?

Actually just realized you're saying forge in title and no forge isn't supported only neoforge from 1.20.4 going forward