Cannot Upgrade the Tome of Kurak at Sorcery Bench

Basic Info:

Platform: Steam
Issue Type: Other
Game Mode: Single Player
Server Type: PvP
Map: Exiled Lands
Server Name: None
Mods: None

Bug Description:

I cannot upgrade Tome of Kurak or craft at the sorcery bench. I have all the needed supplies for different upgrades or items and I can’t craft. The craft button remains dark.

You are probably overencumbered then