Bukkit

[01:01:28] [Server thread/INFO]: scooby47 issued server command: /skin 
[01:01:28] [Server thread/INFO]: scooby47 [bec74827-1b66-30aa-b8ea-06a37e12c4f4]: /skin 
[01:01:28] [Server thread/ERROR]: Could not pass event PlayerCommandPreprocessEvent to Skript v2.2-SNAPSHOT org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1127) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:970) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0_65] at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_65] at net.minecraft.server.v1_8_R3.SystemUtils.a(SystemUtils.java:19) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:718) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_65] Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_7_R3/EntityHuman at net.dzikoysk.wildskript.util.SkinUtils.change(SkinUtils.java:25) ~[?:?] at net.dzikoysk.wildskript.effects.EffSkin.execute(EffSkin.java:22) ~[?:?] at ch.njol.skript.lang.Effect.run(Effect.java:54) ~[?:?] at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:63) ~[?:?] at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:91) ~[?:?] at ch.njol.skript.lang.Trigger.execute(Trigger.java:53) ~[?:?] at ch.njol.skript.command.ScriptCommand.execute2(ScriptCommand.java:222) ~[?:?] at ch.njol.skript.command.ScriptCommand.execute(ScriptCommand.java:184) ~[?:?] at ch.njol.skript.command.Commands.handleCommand(Commands.java:263) ~[?:?] at ch.njol.skript.command.Commands$1.onPlayerCommand(Commands.java:158) ~[?:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_65] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_65] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_65] at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_65] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] ... 16 more Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_7_R3.EntityHuman at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:91) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_65] at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_65] at net.dzikoysk.wildskript.util.SkinUtils.change(SkinUtils.java:25) ~[?:?] at net.dzikoysk.wildskript.effects.EffSkin.execute(EffSkin.java:22) ~[?:?] at ch.njol.skript.lang.Effect.run(Effect.java:54) ~[?:?] at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:63) ~[?:?] at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:91) ~[?:?] at ch.njol.skript.lang.Trigger.execute(Trigger.java:53) ~[?:?] at ch.njol.skript.command.ScriptCommand.execute2(ScriptCommand.java:222) ~[?:?] at ch.njol.skript.command.ScriptCommand.execute(ScriptCommand.java:184) ~[?:?] at ch.njol.skript.command.Commands.handleCommand(Commands.java:263) ~[?:?] at ch.njol.skript.command.Commands$1.onPlayerCommand(Commands.java:158) ~[?:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_65] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_65] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_65] at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_65] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] ... 16 more 
[01:01:28] [Server thread/ERROR]: null org.bukkit.command.CommandException: Unhandled exception executing command 'skin' in plugin Skript v2.2-SNAPSHOT at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:642) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1135) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:970) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0_65] at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_65] at net.minecraft.server.v1_8_R3.SystemUtils.a(SystemUtils.java:19) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:718) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_65] Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_7_R3/EntityHuman at net.dzikoysk.wildskript.util.SkinUtils.change(SkinUtils.java:25) ~[?:?] at net.dzikoysk.wildskript.effects.EffSkin.execute(EffSkin.java:22) ~[?:?] at ch.njol.skript.lang.Effect.run(Effect.java:54) ~[?:?] at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:63) ~[?:?] at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:91) ~[?:?] at ch.njol.skript.lang.Trigger.execute(Trigger.java:53) ~[?:?] at ch.njol.skript.command.ScriptCommand.execute2(ScriptCommand.java:222) ~[?:?] at ch.njol.skript.command.ScriptCommand.execute(ScriptCommand.java:184) ~[?:?] at ch.njol.skript.command.ScriptCommand.onCommand(ScriptCommand.java:161) ~[?:?] at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] ... 15 more Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_7_R3.EntityHuman at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:91) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_65] at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_65] at net.dzikoysk.wildskript.util.SkinUtils.change(SkinUtils.java:25) ~[?:?] at net.dzikoysk.wildskript.effects.EffSkin.execute(EffSkin.java:22) ~[?:?] at ch.njol.skript.lang.Effect.run(Effect.java:54) ~[?:?] at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:63) ~[?:?] at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:91) ~[?:?] at ch.njol.skript.lang.Trigger.execute(Trigger.java:53) ~[?:?] at ch.njol.skript.command.ScriptCommand.execute2(ScriptCommand.java:222) ~[?:?] at ch.njol.skript.command.ScriptCommand.execute(ScriptCommand.java:184) ~[?:?] at ch.njol.skript.command.ScriptCommand.onCommand(ScriptCommand.java:161) ~[?:?] at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigotmc-1.8.7-R0.1.jar:git-Spigot-f928e7a-994b2aa] ... 15 more