2013-07-11 22:09:04 [WARNING] Failed to handle packet for MacNab/174.88.xx.xx: java.lang.IndexOutOfBoundsException: Index: 54, Size: 54
java.lang.IndexOutOfBoundsException: Index: 54, Size: 54
	at java.util.ArrayList.rangeCheck(ArrayList.java:604)
	at java.util.ArrayList.get(ArrayList.java:382)
	at net.minecraft.server.v1_6_R1.Container.getSlot(Container.java:104)
	at net.minecraft.server.v1_6_R1.PlayerConnection.a(PlayerConnection.java:1246)
	at net.minecraft.server.v1_6_R1.Packet102WindowClick.handle(SourceFile:31)
	at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:235)
	at net.minecraft.server.v1_6_R1.PlayerConnection.d(PlayerConnection.java:118)
	at net.minecraft.server.v1_6_R1.ServerConnection.b(SourceFile:37)
	at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:125)
	at net.minecraft.server.v1_6_R1.MinecraftServer.t(MinecraftServer.java:592)
	at net.minecraft.server.v1_6_R1.DedicatedServer.t(DedicatedServer.java:239)
	at net.minecraft.server.v1_6_R1.MinecraftServer.s(MinecraftServer.java:481)
	at net.minecraft.server.v1_6_R1.MinecraftServer.run(MinecraftServer.java:413)
	at net.minecraft.server.v1_6_R1.ThreadServerApplication.run(SourceFile:582)

2013-07-11 21:50:52 [WARNING] Failed to handle packet for MacNab/174.88.xx.xx: java.lang.IndexOutOfBoundsException: Index: 82, Size: 54
java.lang.IndexOutOfBoundsException: Index: 82, Size: 54
	at java.util.ArrayList.rangeCheck(ArrayList.java:604)
	at java.util.ArrayList.get(ArrayList.java:382)
	at net.minecraft.server.v1_6_R1.Container.getSlot(Container.java:104)
	at net.minecraft.server.v1_6_R1.PlayerConnection.a(PlayerConnection.java:1246)
	at net.minecraft.server.v1_6_R1.Packet102WindowClick.handle(SourceFile:31)
	at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:235)
	at net.minecraft.server.v1_6_R1.PlayerConnection.d(PlayerConnection.java:118)
	at net.minecraft.server.v1_6_R1.ServerConnection.b(SourceFile:37)
	at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:125)
	at net.minecraft.server.v1_6_R1.MinecraftServer.t(MinecraftServer.java:592)
	at net.minecraft.server.v1_6_R1.DedicatedServer.t(DedicatedServer.java:239)
	at net.minecraft.server.v1_6_R1.MinecraftServer.s(MinecraftServer.java:481)
	at net.minecraft.server.v1_6_R1.MinecraftServer.run(MinecraftServer.java:413)
	at net.minecraft.server.v1_6_R1.ThreadServerApplication.run(SourceFile:582)