16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! [Skript] Severe Error:
16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! Something went horribly wrong with Skript.
16.11 19:13:54 [Server] ERROR #!#! This issue is NOT your fault! You probably can't fix it yourself, either.
16.11 19:13:54 [Server] ERROR #!#! You're running outdated version of Skript! Please try updating it NOW; it might fix this.
16.11 19:13:54 [Server] ERROR #!#! Run /sk update check to get a download link to latest Skript!
16.11 19:13:54 [Server] ERROR #!#! You will be given instructions how to report this error if it persists after update.
16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! Stack trace:
16.11 19:13:54 [Server] ERROR #!#! java.lang.NullPointerException
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.util.slot.InventorySlot.setItem(InventorySlot.java:73)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.classes.data.SkriptClasses$16.change(SkriptClasses.java:599)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.classes.data.SkriptClasses$16.change(SkriptClasses.java:1)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.classes.Changer$ChangerUtils.change(Changer.java:70)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.expressions.base.EventValueExpression.change(EventValueExpression.java:191)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.expressions.base.WrapperExpression.change(WrapperExpression.java:125)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.effects.EffChange.execute(EffChange.java:284)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.lang.Effect.run(Effect.java:52)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:61)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:89)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.lang.Trigger.execute(Trigger.java:57)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.SkriptEventHandler.check(SkriptEventHandler.java:156)
16.11 19:13:54 [Server] ERROR #!#!     at ch.njol.skript.SkriptEventHandler$1.execute(SkriptEventHandler.java:114)
16.11 19:13:54 [Server] ERROR #!#!     at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
16.11 19:13:54 [Server] ERROR #!#!     at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
16.11 19:13:54 [Server] ERROR #!#!     at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:545)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:2310)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.PacketPlayInWindowClick.a(SourceFile:33)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.PacketPlayInWindowClick.a(SourceFile:10)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.MinecraftServer.aX(MinecraftServer.java:1029)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:1022)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1006)
16.11 19:13:54 [Server] ERROR #!#!     at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:929)
16.11 19:13:54 [Server] ERROR #!#!     at java.lang.Thread.run(Thread.java:748)
16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! Version Information:
16.11 19:13:54 [Server] ERROR #!#!   Skript: 2.4-beta9 (OUTDATED)
16.11 19:13:54 [Server] ERROR #!#!     Flavor: skriptlang-github
16.11 19:13:54 [Server] ERROR #!#!     Date: 2019-10-15
16.11 19:13:54 [Server] ERROR #!#!   Bukkit: 1.14.4-R0.1-SNAPSHOT
16.11 19:13:54 [Server] ERROR #!#!   Minecraft: 1.14.4
16.11 19:13:54 [Server] ERROR #!#!   Java: 1.8.0_222 (OpenJDK 64-Bit Server VM 25.222-b10)
16.11 19:13:54 [Server] ERROR #!#!   OS: Linux amd64 3.10.0-1062.1.2.el7.x86_64
16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! Server platform: Paper
16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! Current node: null
16.11 19:13:54 [Server] ERROR #!#! Current item: set event-slot to [[itemtype:grass block]]
16.11 19:13:54 [Server] ERROR #!#! Current trigger: inventory click (dispense/spawn/drop/craft/pickup/consume/break/despawn/merge) (test.sk, line 76)
16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! Thread: Server thread
16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! Language: english
16.11 19:13:54 [Server] ERROR #!#! Link parse mode: DISABLED
16.11 19:13:54 [Server] ERROR #!#!
16.11 19:13:54 [Server] ERROR #!#! End of Error.
16.11 19:13:54 [Server] ERROR #!#!