[15:19:41] [Server thread/INFO] [Sponge/]: Unloading world [PixelmonGO] (DIM0)
[15:19:41] [Server thread/INFO] [Sponge/]: Unloading world [DIM-1] (DIM-1)
[15:19:41] [Server thread/INFO] [Sponge/]: Unloading world [DIM1] (DIM1)
[15:19:41] [Server thread/INFO] [Sponge/]: Unloading world [Pixelmon2] (DIM2)
[15:19:41] [Server thread/ERROR] [Sponge/]: Could not pass UnloadWorldEvent$Impl to Plugin{id=griefprevention, name=GriefPrevention, version=2.1.0, description=This plugin is designed to prevent all forms of grief., source=/ssd/PixelmonGo/mods/griefprevention-1.10.2-2.1.0.85.jar}
java.lang.NullPointerException
	at me.ryanhamshire.griefprevention.claim.ClaimWorldManager.unload(ClaimWorldManager.java:274) ~[ClaimWorldManager.class:?]
	at me.ryanhamshire.griefprevention.FlatFileDataStore.unloadWorldData(FlatFileDataStore.java:267) ~[FlatFileDataStore.class:?]
	at me.ryanhamshire.griefprevention.event.WorldEventHandler.onWorldUnload(WorldEventHandler.java:47) ~[WorldEventHandler.class:?]
	at org.spongepowered.common.event.listener.UnloadWorldEventListener_WorldEventHandler_onWorldUnload151.handle(Unknown Source) ~[?:?]
	at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:356) [SpongeModEventManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:339) [SpongeModEventManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:384) [SpongeModEventManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:369) [SpongeModEventManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:140) [SpongeImpl.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.common.world.WorldManager.unloadWorld(WorldManager.java:504) [WorldManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at net.minecraftforge.common.DimensionManager.setWorld(DimensionManager.java:153) [DimensionManager.class:?]
	at net.minecraft.server.MinecraftServer.func_71260_j(MinecraftServer.java:407) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:524) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]
[15:19:41] [Server thread/INFO] [Sponge/]: Unloading world [Creative] (DIM3)
[15:19:41] [Server thread/ERROR] [Sponge/]: Could not pass UnloadWorldEvent$Impl to Plugin{id=griefprevention, name=GriefPrevention, version=2.1.0, description=This plugin is designed to prevent all forms of grief., source=/ssd/PixelmonGo/mods/griefprevention-1.10.2-2.1.0.85.jar}
java.lang.NullPointerException
	at me.ryanhamshire.griefprevention.claim.ClaimWorldManager.unload(ClaimWorldManager.java:274) ~[ClaimWorldManager.class:?]
	at me.ryanhamshire.griefprevention.FlatFileDataStore.unloadWorldData(FlatFileDataStore.java:267) ~[FlatFileDataStore.class:?]
	at me.ryanhamshire.griefprevention.event.WorldEventHandler.onWorldUnload(WorldEventHandler.java:47) ~[WorldEventHandler.class:?]
	at org.spongepowered.common.event.listener.UnloadWorldEventListener_WorldEventHandler_onWorldUnload151.handle(Unknown Source) ~[?:?]
	at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:356) [SpongeModEventManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:339) [SpongeModEventManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:384) [SpongeModEventManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:369) [SpongeModEventManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:140) [SpongeImpl.class:1.10.2-2107-6.0.0-BETA-1869]
	at org.spongepowered.common.world.WorldManager.unloadWorld(WorldManager.java:504) [WorldManager.class:1.10.2-2107-6.0.0-BETA-1869]
	at net.minecraftforge.common.DimensionManager.setWorld(DimensionManager.java:153) [DimensionManager.class:?]
	at net.minecraft.server.MinecraftServer.func_71260_j(MinecraftServer.java:407) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:524) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]
[15:19:41] [Server thread/DEBUG] [FML/]: Reverting to frozen data state.