Well before you do anything backup your save files
It's been fixed now, go wild
I have a possible workaround, just hold tab to bring up your inventory and you should see near the top next to 'storage' there's the training tab, that works for me
The mod is out right now
The mod was updated last night, a new dev log hasn't been made yet
The mod might be finished updating this weekend
The whole mod needed to be remade, so yes it is being updated, but it'll take a while
Due to the recent update for project nexus, the mod doesn't work now
