[11:33:00] [Server thread/INFO]: Naskel issued server command: /plugman load GroupedTab
[11:33:00] [Server thread/INFO]: [GroupedTab] Enabling GroupedTab v1.0.0
[11:33:00] [Server thread/ERROR]: Error occurred while enabling GroupedTab v1.0.0 (Is it up to date?)
java.lang.IllegalArgumentException: Team name '0' is already in use
	at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[spigot.jar:git-Spigot-7d78b81-613be0d]
	at org.bukkit.craftbukkit.v1_11_R1.scoreboard.CraftScoreboard.registerNewTeam(CraftScoreboard.java:140) ~[spigot.jar:git-Spigot-7d78b81-613be0d]
	at com.hihihih565.GroupedTab.lambda$onEnable$0(GroupedTab.java:42) ~[?:?]
	at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_101]
	at com.hihihih565.GroupedTab.onEnable(GroupedTab.java:36) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:271) ~[spigot.jar:git-Spigot-7d78b81-613be0d]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at com.rylinaux.plugman.util.PluginUtil.load(PluginUtil.java:363) [PlugMan.jar:?]
	at com.rylinaux.plugman.command.LoadCommand.execute(LoadCommand.java:114) [PlugMan.jar:?]
	at com.rylinaux.plugman.PlugManCommandHandler.onCommand(PlugManCommandHandler.java:95) [PlugMan.jar:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServer.java:649) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.PlayerConnection.handleCommand(PlayerConnection.java:1344) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.java:1179) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_101]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_101]
	at net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:675) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:574) [spigot.jar:git-Spigot-7d78b81-613be0d]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]