I've solved most issues, but when I try to open an inventory and hover over an item, I'm now getting the following client-side crash:
Debug Log: (google drive because it's too big for pastebin)
https://drive.google.com/file/d/1DHPG29-7-J2zEoB84H5Uq2dL_osy2WIH/view?usp=sharing
I'm seeing a call for a JEI class, and I have REI in this pack instead. Other than that, I'm having trouble deciphering what's wrong.