This is with the latest version of Forge, Lightmans Discord, JEA, and Libx. Here's the crash report: https://mclo.gs/NgxBs1z
Specific Version Numbers:
Forge: 1.16.5-36.2.39
LMDI: 1.16.4-0.0.3.1
JEA: 1.16.5-1.0.2
LibX: 1.16.3-1.0.76
Also here's the log: https://mclo.gs/wWjpAAk

Edit: Ok, so i've just done a bit of testing and it seems to be specifically LibX that is causing the crash with LMDI, Here's the Latest.log: https://mclo.gs/jFUuHlQ