[04:31:09] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Exception while updating neighbours
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:773) ~[MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.updateTimeLightAndEntities(DedicatedServer.java:397) ~[nz.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668) ~[MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
Caused by: java.lang.NullPointerException
	at net.minecraft.block.BlockDoor.neighborChanged(BlockDoor.java:228) ~[aqa.class:?]
	at net.minecraft.block.state.BlockStateContainer$StateImplementation.neighborChanged(BlockStateContainer.java:481) ~[awu$a.class:?]
	at net.minecraft.world.World.neighborChanged(World.java:550) ~[amu.class:?]
	at net.minecraft.world.World.notifyNeighborsOfStateChange(World.java:491) ~[amu.class:?]
	at T145.metalchests.tiles.TileMetalChest.update(TileMetalChest.java:213) ~[TileMetalChest.class:?]
	at net.minecraft.world.World.redirect$tileEntityUpdate$zzi000(World.java:4128) ~[amu.class:?]
	at net.minecraft.world.World.updateEntities(World.java:1832) ~[amu.class:?]
	at net.minecraft.world.WorldServer.updateEntities(WorldServer.java:613) ~[oo.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:767) ~[MinecraftServer.class:?]
	... 4 more