Error on purpur 1.16.5

[ArchaeologyNerd]

Getting the same error with the latest version as with 2.6.8 (i tried an older one because i tought this would fix the issue):

[15:06:22 INFO]: [MCJukebox] Enabling MCJukebox v2.6.8
[15:06:22 WARN]: [MCJukebox] No API key set - ignoring attempt to connect.
[15:06:22 ERROR]: Error occurred while enabling MCJukebox v2.6.8 (Is it up to date?)
ch.njol.skript.SkriptAPIException: Registration can only be done during plugin initialization
        at ch.njol.skript.Skript.checkAcceptRegistrations(Skript.java:1250) ~[?:?]
        at ch.njol.skript.Skript.registerEffect(Skript.java:1337) ~[?:?]
        at net.mcjukebox.plugin.bukkit.managers.skript.SkriptManager.<init>(SkriptManager.java:17) ~[?:?]
        at net.mcjukebox.plugin.bukkit.MCJukebox.onEnable(MCJukebox.java:57) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[server.jar:git-Purpur-1171]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[server.jar:git-Purpur-1171]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[server.jar:git-Purpur-1171]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:518) ~[server.jar:git-Purpur-1171]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:432) ~[server.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.MinecraftServer.loadWorld(MinecraftServer.java:596) ~[server.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:309) ~[server.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1074) ~[server.jar:git-Purpur-1171]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:293) ~[server.jar:git-Purpur-1171]
        at java.lang.Thread.run(Thread.java:840) [?:?]
[15:06:22 INFO]: [MCJukebox] Disabling MCJukebox v2.6.8

Server Software: Purpur 1.16.5 (Paper Fork)
Java Version: 17

My /skript info output (i guess your plugin has an implementation for this, its mentioned in the error below):

> skript info
[15:10:43 INFO]: §7[§6Skript§7] §rSkript's aliases can be found here: §3https://github.com/SkriptLang/skript-aliases
[15:10:43 INFO]: §7[§6Skript§7] §rSkript's documentation can be found here: §3https://docs.skriptlang.org/
[15:10:43 INFO]: §7[§6Skript§7] §rSkript's tutorials can be found here: §3https://docs.skriptlang.org/tutorials
[15:10:43 INFO]: §7[§6Skript§7] §rServer Version: §3git-Purpur-1171 (MC: 1.16.5)
[15:10:43 INFO]: §7[§6Skript§7] §rSkript Version: §32.9.5 (skriptlang-github)
[15:10:43 INFO]: §7[§6Skript§7] §rInstalled Skript Addons: §3
[15:10:43 INFO]: §7[§6Skript§7] §r - skript-placeholders v1.7.0 (https://github.com/APickledWalrus/skript-placeholders)
[15:10:43 INFO]: §7[§6Skript§7] §r - skUtilities v0.9.2 (https://tim740.github.io/)
[15:10:43 INFO]: §7[§6Skript§7] §r - skript-reflect v2.5.1 (https://github.com/SkriptLang/skript-reflect)
[15:10:43 INFO]: §7[§6Skript§7] §r - skRayFall v1.9.28 (https://sk.rayfall.net/)
[15:10:43 INFO]: §7[§6Skript§7] §r - SkBee v1.15.3 (https://github.com/ShaneBeee/SkBee)
[15:10:43 INFO]: §7[§6Skript§7] §rInstalled dependencies: §3
[15:10:43 INFO]: §7[§6Skript§7] §r - Vault v1.7.3-b131
[15:10:43 INFO]: §7[§6Skript§7] §r - WorldGuard v7.0.5+3827266
[15:10:43 INFO]: §7[§6Skript§7] §r - GriefPrevention v16.17.1-2b69191
>