[14:40:09] [Server thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.IndexOutOfBoundsException: Index: 46, Size: 46
	at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_111]
	at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_111]
	at net.minecraft.util.Util.runTask(Util.java:26) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:742) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.updateTimeLightAndEntities(DedicatedServer.java:408) [DedicatedServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:687) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:536) [MinecraftServer.class:?]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_111]
Caused by: java.lang.IndexOutOfBoundsException: Index: 46, Size: 46
	at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_111]
	at java.util.ArrayList.get(Unknown Source) ~[?:1.8.0_111]
	at net.minecraft.inventory.Container.slotClick(Container.java:263) ~[Container.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processClickWindow(NetHandlerPlayServer.java:1174) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketClickWindow.processPacket(CPacketClickWindow.java:47) ~[CPacketClickWindow.class:?]
	at net.minecraft.network.play.client.CPacketClickWindow.processPacket(CPacketClickWindow.java:12) ~[CPacketClickWindow.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:15) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_111]
	at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_111]
	at net.minecraft.util.Util.runTask(Util.java:25) ~[Util.class:?]
	... 5 more