[15:33:48] [Server thread/FATAL] [FML/]: Exception caught executing FutureTask: java.util.concurrent.ExecutionException: java.lang.NullPointerException
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_51]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_51]
	at net.minecraftforge.fml.common.FMLCommonHandler.callFuture(FMLCommonHandler.java:715) [FMLCommonHandler.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:656) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:364) [po.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:598) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:478) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]
Caused by: java.lang.NullPointerException
	at net.minecraft.scoreboard.ScorePlayerTeam.func_142054_a(SourceFile:177) ~[brz.class:?]
	at net.minecraft.entity.player.EntityPlayer.func_96122_a(EntityPlayer.java:1078) ~[ahd.class:?]
	at net.minecraft.entity.player.EntityPlayerMP.func_96122_a(EntityPlayerMP.java:559) ~[qw.class:?]
	at net.minecraft.entity.player.EntityPlayerMP.func_70097_a(EntityPlayerMP.java:536) ~[qw.class:?]
	at net.minecraft.entity.player.EntityPlayer.func_71059_n(EntityPlayer.java:1281) ~[ahd.class:?]
	at net.minecraft.entity.player.EntityPlayerMP.func_71059_n(EntityPlayerMP.java:1147) ~[qw.class:?]
	at net.minecraft.network.NetHandlerPlayServer.onAttackTargetEntity(NetHandlerPlayServer.java:483) ~[rj.class:?]
	at net.minecraft.network.NetHandlerPlayServer.func_147340_a(NetHandlerPlayServer.java:900) ~[rj.class:?]
	at net.minecraft.network.play.client.C02PacketUseEntity.func_148833_a(SourceFile:52) ~[md.class:?]
	at net.minecraft.network.play.client.C02PacketUseEntity.func_148833_a(SourceFile:11) ~[md.class:?]
	at net.minecraft.network.PacketThreadUtil$1.onProcessPacket(SourceFile:84) ~[ih.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) ~[ih.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_51]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_51]
	at net.minecraftforge.fml.common.FMLCommonHandler.callFuture(FMLCommonHandler.java:714) ~[FMLCommonHandler.class:?]
	... 5 more