there is an error with minecraft forge 1.8.9 when changing servers on Hypixel.
it is not a mod error as i ran forge without mods and still had the error.
Here is the error:
10:50:55.484
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.485
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.486
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.487
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.488
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.489
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.490
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.490
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.491
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.492
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.500
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.502
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more
10:50:55.503
Error executing task java.util.concurrent.ExecutionException: java.lang.NullPointerException at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at net.minecraft.util.Util.func_181617_a(SourceFile:45) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1014) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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:498) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.NullPointerException at net.minecraft.scoreboard.Scoreboard.func_96511_d(SourceFile:229) at net.minecraft.client.network.NetHandlerPlayClient.func_147247_a(NetHandlerPlayClient.java:1813) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:113) at net.minecraft.network.play.server.S3EPacketTeams.func_148833_a(SourceFile:13) at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at net.minecraft.util.Util.func_181617_a(SourceFile:44) ... 9 more