[17:52:58] [Server thread/WARN] [net.minecraft.server.MinecraftServer]: Can't keep up! Did the system time change, or is the server overloaded? Running 4586ms behind, skipping 91 tick(s)
[17:52:59] [Server thread/INFO] [FML]: Auto Restart enabled. Cleaned up all data now killing the game
[17:52:59] [Server thread/WARN] [FML]: Java has been asked to exit (code 0)
[17:52:59] [Server thread/WARN] [FML]: This is an abortive exit and could cause world corruption or other things
[17:52:59] [Server thread/WARN] [FML]: Exit trace:
[17:52:59] [Server thread/WARN] [FML]: 	pregenerator.impl.processor.ChunkProcessor.onServerTickEvent(ChunkProcessor.java:149)
[17:52:59] [Server thread/WARN] [FML]: 	net.minecraftforge.fml.common.eventhandler.ASMEventHandler_822_ChunkProcessor_onServerTickEvent_ServerTickEvent.invoke(.dynamic)
[17:52:59] [Server thread/WARN] [FML]: 	net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
[17:52:59] [Server thread/WARN] [FML]: 	net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
[17:52:59] [Server thread/WARN] [FML]: 	net.minecraftforge.fml.common.FMLCommonHandler.onPostServerTick(FMLCommonHandler.java:265)
[17:52:59] [Server thread/WARN] [FML]: 	net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:710)
[17:52:59] [Server thread/WARN] [FML]: 	net.minecraft.server.MinecraftServer.run(MinecraftServer.java:524)
[17:52:59] [Server thread/WARN] [FML]: 	java.lang.Thread.run(Thread.java:748)