Exception in server tick loop

[Master David]

Description: Exception in server tick loop

 

java.lang.ArrayIndexOutOfBoundsException: -1
 at java.util.ArrayList.elementData(ArrayList.java:400)
 at java.util.ArrayList.get(ArrayList.java:413)
 at net.minecraft.server.management.ServerConfigurationManager.func_72374_b(ServerConfigurationManager.java:1125)
 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)

 

Full crashlog here

http://pastebin.com/XhvQPeB2

[DiamondQ2]

Via googling, I've seen quite a few posts with this exact error indicating that it's a bug in MCPC / Cauldron, which you appear to be running. I can't tell the version of Cauldron you have, but you could try upgrading (if you can find the files).