[14:27:32] [Server thread/ERROR]: null
com.comphenix.protocol.reflect.FieldAccessException: Field index must be within 0 - count
	at com.comphenix.protocol.reflect.StructureModifier.write(StructureModifier.java:285) ~[ProtocolLib-3.2.0.jar:?]
	at me.mncat77.plugins.attributehider.AttributeHider$1.onPacketSending(AttributeHider.java:95) [AttributeHider-v1.2.1.jar:?]
	at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:597) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:573) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.netty.NettyProtocolInjector.packetQueued(NettyProtocolInjector.java:286) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.netty.NettyProtocolInjector.onPacketSending(NettyProtocolInjector.java:237) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.netty.ChannelInjector.processSending(ChannelInjector.java:199) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.netty.ChannelInjector.access$000(ChannelInjector.java:52) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.netty.ChannelInjector$2.onMessageScheduled(ChannelInjector.java:178) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnable(ChannelProxy.java:91) [ProtocolLib-3.2.0.jar:?]
	at com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoopProxy.java:76) [ProtocolLib-3.2.0.jar:?]
	at net.minecraft.server.v1_7_R1.NetworkManager.b(NetworkManager.java:110) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.NetworkManager.handle(NetworkManager.java:88) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.PlayerConnection.sendPacket(PlayerConnection.java:737) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.EntityPlayer.openTrade(EntityPlayer.java:725) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.EntityVillager.a(SourceFile:147) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at com.nisovin.shopkeepers.compat.v1_7_R1.NMSHandler.openTradeWindow(NMSHandler.java:47) [Shopkeepers.jar:?]
	at com.nisovin.shopkeepers.compat.v1_7_R1.NMSHandler.openTradeWindow(NMSHandler.java:58) [Shopkeepers.jar:?]
	at com.nisovin.shopkeepers.ShopkeepersPlugin.openTradeWindow(ShopkeepersPlugin.java:827) [Shopkeepers.jar:?]
	at com.nisovin.shopkeepers.ShopkeepersPlugin.handleShopkeeperInteraction(ShopkeepersPlugin.java:719) [Shopkeepers.jar:?]
	at com.nisovin.shopkeepers.VillagerListener.onEntityInteract(VillagerListener.java:31) [Shopkeepers.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_40]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_40]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_40]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_40]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:486) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:471) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:1068) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.PacketPlayInUseEntity.a(SourceFile:55) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.PacketPlayInUseEntity.handle(SourceFile:10) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
Caused by: java.lang.IndexOutOfBoundsException: Out of bounds
	... 41 more