13:40:36] [Server thread/WARN]: Failed to handle packet for /97.82.207.192:51224
java.lang.IndexOutOfBoundsException: Index: 511, Size: 45
    at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.7.0_51]
    at java.util.ArrayList.get(Unknown Source) ~[?:1.7.0_51]
    at net.minecraft.inventory.Container.func_75144_a(SourceFile:191) ~[zs.class:?]
    at net.minecraft.network.NetHandlerPlayServer.func_147351_a(NetHandlerPlayServer.java:883) ~[nh.class:?]
    at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:32) ~[ix.class:?]
    at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:10) ~[ix.class:?]
    at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212) ~[ej.class:?]
    at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165) [nc.class:?]
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659) [MinecraftServer.class:?]
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334) [lt.class:?]
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) [MinecraftServer.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [MinecraftServer.class:?]
    at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]
[13:40:36] [Server thread/INFO]: ragsdale98 lost connection: TextComponent{text='Internal server error', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null}}
[13:40:36] [Server thread/INFO]: ragsdale98 left the game