[08:10:58] [Server thread/WARN]: Failed to handle packet for /45.53.78.172:61965
java.lang.IndexOutOfBoundsException: Index: 105, Size: 81
    at java.util.ArrayList.rangeCheck(ArrayList.java:635) ~[?:1.7.0_79]
    at java.util.ArrayList.get(ArrayList.java:411) ~[?:1.7.0_79]
    at net.minecraft.inventory.Container.func_75144_a(SourceFile:206) ~[zs.class:?]
    at brad16840.common.ContainerStack.func_75144_a(ContainerStack.java:496) ~[ContainerStack.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:?]