It appears we are attempting to load client classes on the server. This needs to be isolated out.

Caused by: Caused by: java.lang.ClassNotFoundException: net.minecraft.client.util.ITooltipFlag

Link: https://gist.github.com/Dockter/c9853339825b58451b5ca2512a1f91ab

This commit fixes this however my branch is behind the current liach-1.12.2 due to the compilation errors stated on a different issue.

AlmuraDev@d1e56bc

Yep, that event bus loading method is funky indeed.

Fixed.

Thanks mike!