Error executing task
java.util.concurrent.ExecutionException: java.lang.IllegalStateException: Player is either on another team or not on any team. Cannot remove from team '00015Fa50ec137-4'.
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:192)
	at g.a(Util.java:20)
	at ave.av(SourceFile:881)
	at ave.a(SourceFile:325)
	at net.minecraft.client.main.Main.main(SourceFile:124)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
Caused by: java.lang.IllegalStateException: Player is either on another team or not on any team. Cannot remove from team '00015Fa50ec137-4'.
	at auo.a(SourceFile:271)
	at bcy.a(SourceFile:1387)
	at hr.a(SourceFile:113)
	at hr.a(SourceFile:13)
	at fh$1.run(PacketThreadUtil.java:22)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at g.a(Util.java:19)
	... 9 more