Bukkit

I run this plugin on a 1.12.2 server, and this shows up in console:

[17:45:42 ERROR]: Could not pass event BlockPhysicsEvent to Space v1.4.0
org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.a(World.java:568) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.applyPhysics(World.java:525) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.update(World.java:476) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.notifyAndUpdatePhysics(World.java:428) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.setTypeAndData(World.java:412) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.setAir(World.java:439) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityEnderman$PathfinderGoalEndermanPickupBlock.e(EntityEnderman.java:336) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.PathfinderGoalSelector.a(SourceFile:129) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityInsentient.doTick(EntityInsentient.java:664) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityLiving.n(EntityLiving.java:2097) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityInsentient.n(EntityInsentient.java:507) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityMonster.n(EntityMonster.java:24) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityEnderman.n(EntityEnderman.java:174) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityLiving.B_(EntityLiving.java:1946) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityInsentient.B_(EntityInsentient.java:246) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.EntityMonster.B_(EntityMonster.java:28) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1631) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.h(World.java:1601) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.World.tickEntities(World.java:1435) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.WorldServer.tickEntities(WorldServer.java:668) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:817) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_201]
Caused by: java.lang.NoSuchFieldError: COMPARATOR
        at com.hmmcrunchy.space.Space.Physics(Space.java:690) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_201]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_201]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_201]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_201]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot-1.12.2.jar:git-Spigot-fc7ad59-7fbc14c]

hey eirikh 

that maybe a block i missed that changed when they updated past 1.12, if you dont need the stop physics you can turn that off, or  you can try version 1.3.0 that should work 

ill take a peek when i have a moment