[ERROR] [ACF] Exception in command: leaderheads enable 41

[ERROR] [ACF] java.lang.reflect.InvocationTargetException

[ERROR] [ACF] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

[ERROR] [ACF] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

[ERROR] [ACF] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

[ERROR] [ACF] at java.lang.reflect.Method.invoke(Method.java:498)

[ERROR] [ACF] at tech.panoply.leaderheads.libs.co.aikar.acf.RegisteredCommand.invoke(RegisteredCommand.java:152)

[ERROR] [ACF] at tech.panoply.leaderheads.libs.co.aikar.acf.BaseCommand.executeCommand(BaseCommand.java:576)

[ERROR] [ACF] at tech.panoply.leaderheads.libs.co.aikar.acf.BaseCommand.execute(BaseCommand.java:512)

[ERROR] [ACF] at tech.panoply.leaderheads.libs.co.aikar.acf.RootCommand.execute(RootCommand.java:99)

[ERROR] [ACF] at tech.panoply.leaderheads.libs.co.aikar.acf.BukkitRootCommand.execute(BukkitRootCommand.java:79)

[ERROR] [ACF] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)

[ERROR] [ACF] at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13)

[ERROR] [ACF] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

[ERROR] [ACF] at java.util.concurrent.FutureTask.run(FutureTask.java:266)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654)

[ERROR] [ACF] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557)

[ERROR] [ACF] at java.lang.Thread.run(Thread.java:813)

[ERROR] [ACF] Caused by: java.lang.StringIndexOutOfBoundsException

[ERROR] [ACF] at java.lang.String.charAt(String.java:1368)

[ERROR] [ACF] at tech.panoply.leaderheads.a.f.b(f.java:16)

[ERROR] [ACF] at tech.panoply.leaderheads.a.f$$Lambda$579.0000000038BF9300.apply(Unknown Source)

[ERROR] [ACF] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)

[ERROR] [ACF] at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)

[ERROR] [ACF] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:497)

[ERROR] [ACF] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:487)

[ERROR] [ACF] at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)

[ERROR] [ACF] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:241)

[ERROR] [ACF] at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)

[ERROR] [ACF] at tech.panoply.leaderheads.a.f.f(f.java:28)

[ERROR] [ACF] at tech.panoply.leaderheads.b.f.a(f.java:56)

[ERROR] [ACF] at tech.panoply.leaderheads.b.f.c(f.java:101)

[ERROR] [ACF] at tech.panoply.leaderheads.e.i.a(i.java:61)

[ERROR] [ACF] at tech.panoply.leaderheads.e.i.b(i.java:51)

[ERROR] [ACF] ... 24 more