Error when missing world in location function

[DarkvoidStudios]

Server version: Paper #310

StartOptions:
java -Xms10G -Xmx20G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -jar Paper.jar nogui

Error:

[03:36:56 ERROR]: #!#! You should try disabling those plugins one by one, trying to find which one causes it.
[03:36:56 ERROR]: #!#! If the error doesn't disappear even after disabling all listed plugins, it is probably Skript issue.
[03:36:56 ERROR]: #!#! In that case, you will be given instruction on how should you report it.
[03:36:56 ERROR]: #!#! On the other hand, if the error disappears when disabling some plugin, report it to author of that plugin.
[03:36:56 ERROR]: #!#! Only if the author tells you to do so, report it to Skript's issue tracker.
[03:36:56 ERROR]: #!#!
[03:36:56 ERROR]: #!#! Stack trace:
[03:36:56 ERROR]: #!#! java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0
[03:36:56 ERROR]: #!#!     at ch.njol.skript.classes.data.DefaultFunctions$23.execute(DefaultFunctions.java:315)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.classes.data.DefaultFunctions$23.execute(DefaultFunctions.java:1)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.lang.function.Function.execute(Function.java:135)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.lang.function.FunctionReference.execute(FunctionReference.java:265)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.lang.function.ExprFunctionCall.get(ExprFunctionCall.java:43)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.lang.util.SimpleExpression.getArray(SimpleExpression.java:100)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.effects.EffChange.execute(EffChange.java:276)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.lang.Effect.run(Effect.java:51)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:60)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:88)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.lang.Trigger.execute(Trigger.java:56)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.events.EvtScript.register(EvtScript.java:60)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.ScriptLoader$4.call(ScriptLoader.java:737)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.ScriptLoader$4.call(ScriptLoader.java:1)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.ScriptLoader.loadScript(ScriptLoader.java:760)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.ScriptLoader.lambda$4(ScriptLoader.java:401)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.ScriptLoader.loadScripts(ScriptLoader.java:420)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.ScriptLoader.loadScripts(ScriptLoader.java:464)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.ScriptLoader.reloadScript(ScriptLoader.java:976)
[03:36:56 ERROR]: #!#!     at ch.njol.skript.SkriptCommand.onCommand(SkriptCommand.java:185)
[03:36:56 ERROR]: #!#!     at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
[03:36:56 ERROR]: #!#!     at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159)
[03:36:56 ERROR]: #!#!     at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:802)
[03:36:56 ERROR]: #!#!     at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchServerCommand(CraftServer.java:764)
[03:36:56 ERROR]: #!#!     at net.minecraft.server.v1_16_R3.DedicatedServer.handleCommandQueue(DedicatedServer.java:411)
[03:36:56 ERROR]: #!#!     at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:378)
[03:36:56 ERROR]: #!#!     at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1207)
[03:36:56 ERROR]: #!#!     at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:995)
[03:36:56 ERROR]: #!#!     at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:177)
[03:36:56 ERROR]: #!#!     at java.base/java.lang.Thread.run(Thread.java:832)
[03:36:56 ERROR]: #!#!
[03:36:56 ERROR]: #!#! Version Information:
[03:36:56 ERROR]: #!#!   Skript: 2.5.2 (latest)
[03:36:56 ERROR]: #!#!     Flavor: skriptlang-github
[03:36:56 ERROR]: #!#!     Date: 2020-11-28
[03:36:56 ERROR]: #!#!   Bukkit: 1.16.4-R0.1-SNAPSHOT
[03:36:56 ERROR]: #!#!   Minecraft: 1.16.4
[03:36:56 ERROR]: #!#!   Java: 14.0.2 (OpenJDK 64-Bit Server VM 14.0.2+12-Ubuntu-120.04)
[03:36:56 ERROR]: #!#!   OS: Linux amd64 5.4.0-54-generic
[03:36:56 ERROR]: #!#!
[03:36:56 ERROR]: #!#! Server platform: Paper
[03:36:56 ERROR]: #!#!
[03:36:56 ERROR]: #!#! Current node: null
[03:36:56 ERROR]: #!#! Current item: set {epicspawn::spawn}(as java.lang.Object) to location([[double:0.5]], [[double:60.5]], [[double:0.5]], world "Spawn")
[03:36:56 ERROR]: #!#! Current trigger: load (script load) (system.sk, line 1)
[03:36:56 ERROR]: #!#!
[03:36:56 ERROR]: #!#! Thread: Server thread
[03:36:56 ERROR]: #!#!
[03:36:56 ERROR]: #!#! Language: english
[03:36:56 ERROR]: #!#! Link parse mode: DISABLED
[03:36:56 ERROR]: #!#!
[03:36:56 ERROR]: #!#! End of Error.
[03:36:56 ERROR]: #!#!

[ShaneBeee]

Ok, I have tested and can replicate this.

This issue is at the time of loading this script, the world is not available.

I can fix the error part, by providing a fallback world, but do keep in mind if your world is not loaded at the time of this script executing, the fallback world will be used.