9:24:43 PM CONSOLE: WARN]: java.lang.NullPointerException
9:24:43 PM CONSOLE: WARN]: at net.citizensnpcs.commands.NPCCommands.skin(NPCCommands.java:1195)
9:24:43 PM CONSOLE: WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
9:24:43 PM CONSOLE: WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
9:24:43 PM CONSOLE: WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
9:24:43 PM CONSOLE: WARN]: at java.lang.reflect.Method.invoke(Method.java:483)
9:24:43 PM CONSOLE: WARN]: at net.citizensnpcs.api.command.CommandManager.executeMethod(CommandManager.java:154)
9:24:43 PM CONSOLE: WARN]: at net.citizensnpcs.api.command.CommandManager.execute(CommandManager.java:90)
9:24:43 PM CONSOLE: WARN]: at net.citizensnpcs.api.command.CommandManager.executeSafe(CommandManager.java:178)
9:24:43 PM CONSOLE: WARN]: at net.citizensnpcs.Citizens.onCommand(Citizens.java:236)
9:24:43 PM CONSOLE: WARN]: at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
9:24:43 PM CONSOLE: WARN]: at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181)
9:24:43 PM CONSOLE: WARN]: at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:767)
9:24:43 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.PlayerConnection.handleCommand(PlayerConnection.java:1043)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:880)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.PacketPlayInChat.a(PacketPlayInChat.java:28)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.PacketPlayInChat.handle(PacketPlayInChat.java:65)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:186)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490)
9:24:44 PM CONSOLE: WARN]: at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628)