Time: 7/25/19 11:23 AM
Description: Exception in server tick loop

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445)
	at java.util.HashMap$ValueIterator.next(HashMap.java:1474)
	at net.minecraft.world.World.func_147448_a(World.java:1946)
	at net.minecraft.world.chunk.Chunk.func_76631_c(Chunk.java:856)
	at net.minecraftforge.common.chunkio.ChunkIOProvider.syncCallback(ChunkIOProvider.java:109)
	at net.minecraftforge.common.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:150)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:728)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
	at java.lang.Thread.run(Thread.java:748)