Randy
Can confirm this I'm getting this error as well: ``` Forge: 1.18.1-39.0.66 AutoRegLib-1.7-52.jar Morph-o-Tool-1.5-30.jar ```
I've been trying to find where the code for the cannons and ballistas are but so far I'm not having any luck. Although if I do find it, it'll be...
Once REFramework's behaviour tree gets released I should be able to find where it is a bit easier https://cursey.github.io/reframework-book/bhvt_editor/bhvt_editor.html
Any chance this is the same issue? When I test the mod I test it with no other mods, so it's likely another mod causing an issue with Buffer. 
Have you tried running Buffer without any other mods? You may need to try removing mods until you figure out which is causing the issue.
So, I tried using the font, but when I try to change the font size it crashes the game. I'll try playing around a bit to see if I can...
Just commenting here as well so I get notified of any update on this issue that I'm also having. I'm using Tom's Simple Storage 1.6.8 & Minecolonies 1.1.603 - MC...