[12:29:21] [Server thread/ERROR]: #!#!
[12:29:21] [Server thread/ERROR]: #!#! [Skript] Severe Error:
[12:29:21] [Server thread/ERROR]: #!#!
[12:29:21] [Server thread/ERROR]: #!#! If you're developing an add-on for Skript this likely means that you have done something wrong.
[12:29:21] [Server thread/ERROR]: #!#! If you're a server admin however please go to https://github.com/bensku/Skript/issues/
[12:29:21] [Server thread/ERROR]: #!#! and check whether this error has already been reported.
[12:29:21] [Server thread/ERROR]: #!#! If not please create a new ticket with a meaningful title, copy & paste this whole error into it (or use paste service),
[12:29:21] [Server thread/ERROR]: #!#! and describe what you did before it happened and/or what you think caused the error.
[12:29:21] [Server thread/ERROR]: #!#! If you think that it's a trigger that's causing the error please post the trigger as well.
[12:29:21] [Server thread/ERROR]: #!#! By following this guide fixing the error should be easy and done fast.
[12:29:21] [Server thread/ERROR]: #!#!
[12:29:21] [Server thread/ERROR]: #!#! Stack trace:
[12:29:21] [Server thread/ERROR]: #!#! java.lang.NullPointerException
[12:29:21] [Server thread/ERROR]: #!#!     at uk.tim740.skUtilities.files.SExprYaml.change(SExprYaml.java:90)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.effects.EffChange.execute(EffChange.java:273)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.lang.Effect.run(Effect.java:54)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:65)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:93)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.lang.Trigger.execute(Trigger.java:53)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.command.ScriptCommand.execute2(ScriptCommand.java:222)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.command.ScriptCommand.execute(ScriptCommand.java:184)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.command.Commands.handleCommand(Commands.java:270)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.command.Commands$1.onPlayerCommand(Commands.java:165)
[12:29:21] [Server thread/ERROR]: #!#!     at sun.reflect.GeneratedMethodAccessor47.invoke(Unknown Source)
[12:29:21] [Server thread/ERROR]: #!#!     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[12:29:21] [Server thread/ERROR]: #!#!     at java.lang.reflect.Method.invoke(Method.java:498)
[12:29:21] [Server thread/ERROR]: #!#!     at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
[12:29:21] [Server thread/ERROR]: #!#!     at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[12:29:21] [Server thread/ERROR]: #!#!     at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)
[12:29:21] [Server thread/ERROR]: #!#!     at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)
[12:29:21] [Server thread/ERROR]: #!#!     at ch.njol.skript.Skript.dispatchCommand(Skript.java:1078)
[12:29:21] [Server thread/ERROR]: #!#!     at me.tuke.sktuke.gui.GUIManager.runCommand(GUIManager.java:162)
[12:29:21] [Server thread/ERROR]: #!#!     at me.tuke.sktuke.gui.EffFormatGUI$1.run(EffFormatGUI.java:108)
[12:29:21] [Server thread/ERROR]: #!#!     at me.tuke.sktuke.listeners.InventoryCheck$1.run(InventoryCheck.java:62)
[12:29:21] [Server thread/ERROR]: #!#!     at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftTask.run(CraftTask.java:71)
[12:29:21] [Server thread/ERROR]: #!#!     at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)
[12:29:21] [Server thread/ERROR]: #!#!     at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:709)
[12:29:21] [Server thread/ERROR]: #!#!     at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316)
[12:29:21] [Server thread/ERROR]: #!#!     at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:634)
[12:29:21] [Server thread/ERROR]: #!#!     at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:537)
[12:29:21] [Server thread/ERROR]: #!#!     at java.lang.Thread.run(Thread.java:745)
[12:29:21] [Server thread/ERROR]: #!#!
[12:29:21] [Server thread/ERROR]: #!#! Version Information:
[12:29:21] [Server thread/ERROR]: #!#!   Skript: 2.2-dev23
[12:29:21] [Server thread/ERROR]: #!#!   Bukkit: 1.8-R0.1-SNAPSHOT
[12:29:21] [Server thread/ERROR]: #!#!   Minecraft: 1.8
[12:29:21] [Server thread/ERROR]: #!#!   Java: 1.8.0_111 (Java HotSpot(TM) 64-Bit Server VM 25.111-b14)
[12:29:21] [Server thread/ERROR]: #!#!   OS: Linux amd64 4.4.0-47-generic
[12:29:21] [Server thread/ERROR]: #!#!
[12:29:21] [Server thread/ERROR]: #!#! Running CraftBukkit: false
[12:29:21] [Server thread/ERROR]: #!#!
[12:29:21] [Server thread/ERROR]: #!#! Current item: remove "%the player%" from uk.tim740.skUtilities.files.SExprYaml
[12:29:21] [Server thread/ERROR]: #!#!
[12:29:21] [Server thread/ERROR]: #!#! Thread: Server thread
[12:29:21] [Server thread/ERROR]: #!#!
[12:29:21] [Server thread/ERROR]: #!#! End of Error.
[12:29:21] [Server thread/ERROR]: #!#!