Cannot invoke "com.cobblemon.mod.common.api.conditional.RegistryLikeCondition.fits(Object,
net.minecraft.class_2378)" because "condition" is null
Some kind of bug with cobblemon - try older builds or report it to the creators
Do you have shaders active?
Most shaders do not work with distant horizons
Create a separate Instance and only start with Embeddium/Oculus and distant horizons
Make some tests with different builds of these mods and different shaders until you work a working combination - then add the rest of your mods
For crash 1, set max-tick-time to -1 in your server.properties
Crash 2 shows a conflict or incompatibility between LuckPerms and the mod boh-0.0.6.1-forge-1.20.1_2.jar
It is an issue with blockfront - try older builds
https://www.curseforge.com/minecraft/mc-mods/blockfront-world-war-ii/files/all?page=1&pageSize=20&version=1.21.1&gameVersionTypeId=6