[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! [Skript] Severe Error:
[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! Something went horribly wrong with Skript.
[20:29:17] [Server thread/ERROR]: #!#! This issue is NOT your fault! You probably can't fix it yourself, either.
[20:29:17] [Server thread/ERROR]: #!#! It looks like you are using some plugin(s) that alter how Skript works (addons).
[20:29:17] [Server thread/ERROR]: #!#! Here is full list of them:
[20:29:17] [Server thread/ERROR]: #!#! skript-reflect v2.4 (https://github.com/SkriptLang/skript-reflect) skript-particle v1.2.0 (https://github.com/sovdeeth/skript-particle) SkBee v3.4.1 (https://github.com/ShaneBeee/SkBee) Skellett v2.0.10 (https://forums.skunity.com/resources/skellett.24/) SkQuery v4.1.10 
[20:29:17] [Server thread/ERROR]: #!#! We could not identify which of those are specially related, so this might also be Skript issue.
[20:29:17] [Server thread/ERROR]: #!#! You should try disabling those plugins one by one, trying to find which one causes it.
[20:29:17] [Server thread/ERROR]: #!#! If the error doesn't disappear even after disabling all listed plugins, it is probably Skript issue.
[20:29:17] [Server thread/ERROR]: #!#! In that case, you will be given instruction on how should you report it.
[20:29:17] [Server thread/ERROR]: #!#! On the other hand, if the error disappears when disabling some plugin, report it to author of that plugin.
[20:29:17] [Server thread/ERROR]: #!#! Only if the author tells you to do so, report it to Skript's issue tracker.
[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! Stack trace:
[20:29:17] [Server thread/ERROR]: #!#! java.lang.NullPointerException: Cannot invoke "org.bukkit.inventory.Inventory.getItem(int)" because "this.invi" is null
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.util.slot.InventorySlot.getAmount(InventorySlot.java:92)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.expressions.ExprItemAmount.convert(ExprItemAmount.java:49)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.expressions.ExprItemAmount.convert(ExprItemAmount.java:34)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//org.skriptlang.skript.lang.converter.Converters.convert(Converters.java:501)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//org.skriptlang.skript.lang.converter.Converters.convertUnsafe(Converters.java:565)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.registrations.Converters.convertUnsafe(Converters.java:203)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.expressions.base.PropertyExpression.get(PropertyExpression.java:119)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.expressions.base.SimplePropertyExpression.get(SimplePropertyExpression.java:56)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.expressions.base.PropertyExpression.get(PropertyExpression.java:88)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.lang.util.SimpleExpression.check(SimpleExpression.java:150)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.conditions.CondCompare.check(CondCompare.java:348)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.sections.SecConditional.lambda$checkConditions$1(SecConditional.java:384)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1602)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:527)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:637)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.sections.SecConditional.checkConditions(SecConditional.java:384)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.sections.SecConditional.walk(SecConditional.java:286)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:88)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.lang.Trigger.execute(Trigger.java:52)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.SkriptEventHandler.lambda$check$3(SkriptEventHandler.java:155)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.SkriptEventHandler.lambda$check$4(SkriptEventHandler.java:166)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.util.Task.callSync(Task.java:164)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.util.Task.callSync(Task.java:148)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.SkriptEventHandler.check(SkriptEventHandler.java:164)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.SkriptEventHandler.access$000(SkriptEventHandler.java:53)
[20:29:17] [Server thread/ERROR]: #!#!     at Skript (2).jar//ch.njol.skript.SkriptEventHandler$PriorityListener.lambda$new$0(SkriptEventHandler.java:66)
[20:29:17] [Server thread/ERROR]: #!#!     at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:81)
[20:29:17] [Server thread/ERROR]: #!#!     at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[20:29:17] [Server thread/ERROR]: #!#!     at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[20:29:17] [Server thread/ERROR]: #!#!     at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126)
[20:29:17] [Server thread/ERROR]: #!#!     at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:615)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:3106)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.network.protocol.game.PacketPlayInWindowClick.a(PacketPlayInWindowClick.java:58)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.network.protocol.game.PacketPlayInWindowClick.a(PacketPlayInWindowClick.java:23)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.network.protocol.PlayerConnectionUtils.lambda$ensureRunningOnSameThread$0(PlayerConnectionUtils.java:54)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.TickTask.run(TickTask.java:18)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.util.thread.IAsyncTaskHandler.d(IAsyncTaskHandler.java:153)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(IAsyncTaskHandlerReentrant.java:24)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1455)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:194)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.util.thread.IAsyncTaskHandler.x(IAsyncTaskHandler.java:126)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.MinecraftServer.bl(MinecraftServer.java:1432)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1355)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.util.thread.IAsyncTaskHandler.bu(IAsyncTaskHandler.java:114)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1547)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1216)
[20:29:17] [Server thread/ERROR]: #!#!     at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319)
[20:29:17] [Server thread/ERROR]: #!#!     at java.base/java.lang.Thread.run(Thread.java:833)
[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! Version Information:
[20:29:17] [Server thread/ERROR]: #!#!   Skript: 2.8.3
[20:29:17] [Server thread/ERROR]: #!#!     Flavor: skriptlang-github
[20:29:17] [Server thread/ERROR]: #!#!     Date: 16:23:04.254419600
[20:29:17] [Server thread/ERROR]: #!#!   Bukkit: 1.20.4-R0.1-SNAPSHOT
[20:29:17] [Server thread/ERROR]: #!#!   Minecraft: 1.20.4
[20:29:17] [Server thread/ERROR]: #!#!   Java: 17.0.7 (OpenJDK 64-Bit Server VM 17.0.7+7)
[20:29:17] [Server thread/ERROR]: #!#!   OS: Linux amd64 6.2.0-39-generic
[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! Server platform: Paper
[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! Current node: null
[20:29:17] [Server thread/ERROR]: #!#! Current item: if item[[ ]stack] (amount|size|number) of event-slot is equal to [[long:1]] (comparator: ch.njol.skript.classes.data.DefaultComparators$1@6f2657de)
[20:29:17] [Server thread/ERROR]: #!#! Current trigger: inventory click (dispense/spawn/drop/craft/pickup/consume/break/despawn/merge/move/stonecutting) (items.sk, line 41)
[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! Thread: Server thread
[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! Language: english
[20:29:17] [Server thread/ERROR]: #!#! Link parse mode: DISABLED
[20:29:17] [Server thread/ERROR]: #!#! 
[20:29:17] [Server thread/ERROR]: #!#! End of Error.
[20:29:17] [Server thread/ERROR]: #!#!