Skript 1.21 console error

[ChicknTurtle]

Skript/Server Version

[14:40:36 INFO]: [Skript] Skript's aliases can be found here: https://github.com/SkriptLang/skript-aliases
[14:40:36 INFO]: [Skript] Skript's documentation can be found here: https://docs.skriptlang.org/
[14:40:36 INFO]: [Skript] Skript's tutorials can be found here: https://docs.skriptlang.org/tutorials
[14:40:36 INFO]: [Skript] Server Version: 1.21-38-1f5db50 (MC: 1.21)
[14:40:36 INFO]: [Skript] Skript Version: 2.8.7-nightly-b9b1ceb (skriptlang-nightly)
[14:40:36 INFO]: [Skript] Installed Skript Addons: 
[14:40:36 INFO]: [Skript]  - DiSky v4.17.2
[14:40:36 INFO]: [Skript]  - skript-reflect v2.4 (https://github.com/SkriptLang/skript-reflect)
[14:40:36 INFO]: [Skript]  - SkBee v3.5.5 (https://github.com/ShaneBeee/SkBee)
[14:40:36 INFO]: [Skript] Installed dependencies: None

Bug Description

When running remove 1 of player's tool from player's tool while holding nothing (air) it throws an error in console about ItemMeta

Expected Behavior

Should do nothing instead of giving error

Steps to Reproduce

run the effect command !remove 1 of player's tool from player's tool

Errors or Screenshots

14:37:59 ERROR: #!#! [Skript] Severe Error: 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! You're running a (buggy) nightly version of Skript. 14:37:59 ERROR: #!#! If this is not a test server, switch to a more stable release NOW! 14:37:59 ERROR: #!#! Your players are unlikely to appreciate crashes and/or data loss due to Skript bugs. 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! Just testing things? Good. Please report this bug, so that we can fix it before a stable release. 14:37:59 ERROR: #!#! Issue tracker: https://github.com/SkriptLang/Skript/issues 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! Stack trace: 14:37:59 ERROR: #!#! java.lang.NullPointerException: Cannot invoke "org.bukkit.inventory.meta.ItemMeta.equals(Object)" because the return value of "org.bukkit.inventory.ItemStack.getItemMeta()" is null 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.bukkitutil.ItemUtils.itemStacksEqual(ItemUtils.java:154) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.classes.data.SkriptClasses$10.change(SkriptClasses.java:487) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.classes.data.SkriptClasses$10.change(SkriptClasses.java:433) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.lang.util.SimpleExpression.change(SimpleExpression.java:263) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.effects.EffChange.execute(EffChange.java:292) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.lang.Effect.run(Effect.java:49) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:61) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:88) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.command.Commands.handleEffectCommand(Commands.java:201) 14:37:59 ERROR: #!#! at Skript-nightly.jar//ch.njol.skript.command.Commands$2.lambda$onPlayerChat$0(Commands.java:300) 14:37:59 ERROR: #!#! at org.bukkit.craftbukkit.scheduler.CraftFuture.run(CraftFuture.java:88) 14:37:59 ERROR: #!#! at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:482) 14:37:59 ERROR: #!#! at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1654) 14:37:59 ERROR: #!#! at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:471) 14:37:59 ERROR: #!#! at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1538) 14:37:59 ERROR: #!#! at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1246) 14:37:59 ERROR: #!#! at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:329) 14:37:59 ERROR: #!#! at java.base/java.lang.Thread.run(Thread.java:1583) 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! Version Information: 14:37:59 ERROR: #!#! Skript: 2.8.7-nightly-b9b1ceb 14:37:59 ERROR: #!#! Flavor: skriptlang-nightly 14:37:59 ERROR: #!#! Date: 18:38:22.731990385 14:37:59 ERROR: #!#! Bukkit: 1.21-R0.1-SNAPSHOT 14:37:59 ERROR: #!#! Minecraft: 1.21 14:37:59 ERROR: #!#! Java: 21.0.2 (OpenJDK 64-Bit Server VM 21.0.2+13-LTS) 14:37:59 ERROR: #!#! OS: Mac OS X aarch64 14.4.1 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! Server platform: Paper 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! Current node: null 14:37:59 ERROR: #!#! Current item: remove [[long:1]] of ( tool of the player >> ChainedConverter{(class ch.njol.skript.util.slot.Slot -> class ch.njol.skript.aliases.ItemType) -> (class ch.njol.skript.aliases.ItemType -> class org.bukkit.inventory.ItemStack)}: ConverterInfo{from=class ch.njol.skript.util.slot.Slot,to=class org.bukkit.inventory.ItemStack,converter=ChainedConverter{(class ch.njol.skript.util.slot.Slot -> class ch.njol.skript.aliases.ItemType) -> (class ch.njol.skript.aliases.ItemType -> class org.bukkit.inventory.ItemStack)},flags=0}) from tool of the player 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! Thread: Server thread 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! Language: english 14:37:59 ERROR: #!#! Link parse mode: DISABLED 14:37:59 ERROR: #!#! 14:37:59 ERROR: #!#! End of Error. 14:37:59 ERROR: #!#!

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