Addons not work

[Urggar]

Hi, I'm not English so my englis is very bad, I'm sorry ...

This fork would crash my skripts with log error :

[10:38:43] [Server thread/ERROR]: #!#! [Skript] Severe Error: [10:38:43] [Server thread/ERROR]: #!#! Could not load vampire.sk [10:38:43] [Server thread/ERROR]: #!#! [10:38:43] [Server thread/ERROR]: #!#! If you're developing an add-on for Skript this likely means that you have done something wrong. [10:38:43] [Server thread/ERROR]: #!#! If you're a server admin however please go to https://github.com/bensku/Skript/issues/ [10:38:43] [Server thread/ERROR]: #!#! and check whether this error has already been reported. [10:38:43] [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), [10:38:43] [Server thread/ERROR]: #!#! and describe what you did before it happened and/or what you think caused the error. [10:38:43] [Server thread/ERROR]: #!#! If you think that it's a trigger that's causing the error please post the trigger as well. [10:38:43] [Server thread/ERROR]: #!#! By following this guide fixing the error should be easy and done fast. [10:38:43] [Server thread/ERROR]: #!#! [10:38:43] [Server thread/ERROR]: #!#! Stack trace: [10:38:43] [Server thread/ERROR]: #!#! java.lang.NullPointerException [10:38:43] [Server thread/ERROR]: #!#! at me.TheBukor.SkStuff.SkStuff$5.parse(SkStuff.java:263) [10:38:43] [Server thread/ERROR]: #!#! at me.TheBukor.SkStuff.SkStuff$5.parse(SkStuff.java:257) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.registrations.Classes.parseSimple(Classes.java:420) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.registrations.Classes.parse(Classes.java:449) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.lang.UnparsedLiteral.getConvertedExpression(UnparsedLiteral.java:95) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.lang.UnparsedLiteral.getConvertedExpression(UnparsedLiteral.java:84) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.lang.UnparsedLiteral.getConvertedExpression(UnparsedLiteral.java:1) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.conditions.CondCompare.init(CondCompare.java:179) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.conditions.CondCompare.init(CondCompare.java:130) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.lang.SkriptParser.parse(SkriptParser.java:247) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.lang.SkriptParser.parse(SkriptParser.java:174) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.lang.Condition.parse(Condition.java:81) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.ScriptLoader.loadItems(ScriptLoader.java:738) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.lang.TriggerSection.<init>(TriggerSection.java:54) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.lang.Conditional.<init>(Conditional.java:44) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.ScriptLoader.loadItems(ScriptLoader.java:745) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.ScriptLoader.loadScript(ScriptLoader.java:450) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.ScriptLoader.loadScripts(ScriptLoader.java:243) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.ScriptLoader.loadScripts(ScriptLoader.java:200) [10:38:43] [Server thread/ERROR]: #!#! at ch.njol.skript.Skript$2.run(Skript.java:405) [10:38:43] [Server thread/ERROR]: #!#! at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71) [10:38:43] [Server thread/ERROR]: #!#! at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353) [10:38:43] [Server thread/ERROR]: #!#! at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:738) [10:38:43] [Server thread/ERROR]: #!#! at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [10:38:43] [Server thread/ERROR]: #!#! at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [10:38:43] [Server thread/ERROR]: #!#! at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [10:38:43] [Server thread/ERROR]: #!#! at java.lang.Thread.run(Thread.java:748) [10:38:43] [Server thread/ERROR]: #!#! [10:38:43] [Server thread/ERROR]: #!#! Version Information: [10:38:43] [Server thread/ERROR]: #!#! Skript: 2.2-dev29 [10:38:43] [Server thread/ERROR]: #!#! Bukkit: 1.12-R0.1-SNAPSHOT [10:38:43] [Server thread/ERROR]: #!#! Minecraft: 1.12 [10:38:43] [Server thread/ERROR]: #!#! Java: 1.8.0_171 (OpenJDK 64-Bit Server VM 25.171-b11) [10:38:43] [Server thread/ERROR]: #!#! OS: Linux amd64 4.9.0-6-amd64 [10:38:43] [Server thread/ERROR]: #!#! [10:38:43] [Server thread/ERROR]: #!#! Running CraftBukkit: false [10:38:43] [Server thread/ERROR]: #!#! [10:38:43] [Server thread/ERROR]: #!#! Current node: if victim is a skeleton: (vampire.sk, line 31) [10:38:43] [Server thread/ERROR]: #!#! Current item: null [10:38:43] [Server thread/ERROR]: #!#! [10:38:43] [Server thread/ERROR]: #!#! Thread: Server thread [10:38:43] [Server thread/ERROR]: #!#! [10:38:43] [Server thread/ERROR]: #!#! End of Error. [10:38:43] [Server thread/ERROR]: #!#!

all my skript are disable