[12:05:42] [Server thread/ERROR]: Could not pass event ChunkUnloadEvent to WorldGuardExtraFlags v2.14.2
org.bukkit.event.EventException: null
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:499) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:484) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at net.minecraft.server.v1_12_R1.ChunkProviderServer.unloadChunk(ChunkProviderServer.java:293) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.unloadChunk0(CraftWorld.java:204) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.unloadChunk(CraftWorld.java:194) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.unloadChunk(CraftWorld.java:167) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.unloadChunk(CraftWorld.java:163) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.setKeepSpawnInMemory(CraftWorld.java:1264) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at com.onarandombox.MultiverseCore.MVWorld$3.set(MVWorld.java:134) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.MVWorld$3.set(MVWorld.java:129) [Multiverse-Core-2.6.0.jar:?]
	at me.main__.util.multiverse.SerializationConfig.SerializationConfig.flushPendingVPropChanges(SerializationConfig.java:248) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.WorldProperties.flushChanges(WorldProperties.java:374) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.MVWorld.<init>(MVWorld.java:90) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.MVWorld.<init>(MVWorld.java:57) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:476) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:447) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:422) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorld(WorldManager.java:403) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.listeners.MVWorldListener.loadWorld(MVWorldListener.java:57) [Multiverse-Core-2.6.0.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_40]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_40]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_40]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_40]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:499) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:484) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.createWorld(CraftServer.java:952) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.Bukkit.createWorld(Bukkit.java:454) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.WorldCreator.createWorld(WorldCreator.java:261) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:466) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:447) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:422) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorld(WorldManager.java:403) [Multiverse-Core-2.6.0.jar:?]
	at com.onarandombox.MultiverseAdventure.MVAdventureWorld$ResetFinisher.run(MVAdventureWorld.java:582) [Multiverse-Adventure-2.5.0.jar:?]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot.jar:git-Spigot-7754231-a3b3a42]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_40]
Caused by: java.lang.NullPointerException
	at net.goldtreeservers.worldguardextraflags.listeners.WorldListener.onChunkUnloadEvent(WorldListener.java:28) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor81.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_40]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_40]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-Spigot-7754231-a3b3a42]
	... 43 more