Error with Server [java.lang.ArrayIndexOutOfBoundsException]

[QuantumPhoenix]

Well, I just booted up my server today, and got on safely. However, when my friend joined, it automatically crashed with the error: java.lang.ArrayIndexOutOfBoundsException: -1

Then, I booted it up again, my friend logged on first just fine, but when I logged on this time, it crashed. It seems that 2 people can't be on at the same time or else it crashes with the error above.

---- Minecraft Crash Report ----
// Sorry 

Time: 3/28/14 3:50 PM
Description: Exception in server tick loop

java.lang.ArrayIndexOutOfBoundsException: -1
	at java.util.ArrayList.elementData(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at net.minecraft.server.management.ServerConfigurationManager.func_72374_b(ServerConfigurationManager.java:1130)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:914)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:777)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:659)
	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)

 

I am using the latest build of Attack of the B-Team server, Using MCPC+. It worked before, and it also seems that the error comes from the world itself, where I tried to make another one, and it worked. I am just wondering if there is a fix for this, because it would be quite sad if we lost all work.

Could this be a MCPC+ error? 

 

Thanks, Quantum.

Edited March 28, 2014 by QuantumPhoenix

[Loader]

Yes, good spotting, it's a recent bug in spigot that MCPC+ uses, follow the instructions here; '?do=embed' frameborder='0' data-embedContent>>

[QuantumPhoenix]

Thanks!