not working on 1.21.8

[AlphaBlock4k]

Terms

• I'm using the very latest version of VanillaCustomizer and its dependencies.
• I am sure this is a bug and it is not caused by a misconfiguration or by another plugin.
• I already searched on this Github page to check if the same issue was already reported.
• I already searched on the plugin wiki to know if a solution is already known.
• I already searched on the forums to check if anyone already has a solution for this.

Discord tag (optional)

No response

What happened?

It does not work in version 1.21.8 Purpur

Steps to reproduce the issue

install ist on 1.21.8 server

Server version

This server is running Purpur version 1.21.8-2488-HEAD@710ecf5 (2025-08-08T03:29:08Z) (Implementing API version 1.21.8-R0.1-SNAPSHOT)

• You are 3 version(s) behind
  Download the new version at: https://purpurmc.org/downloads

VanillaCustomizer Version

0.3

ProtocolLib Version

5.4.0

LoneLibs Version

1.0.65

FULL server log

No response

Error (optional)

at VanillaCustomizer_0.3 (1).jar/dev.lone.vanillacustomizer.nms.items.ItemsNms.<init>(ItemsNms.java:20) ~[VanillaCustomizer_0.3 (1).jar:?]
	at VanillaCustomizer_0.3 (1).jar/dev.lone.vanillacustomizer.nms.items.ItemsNms.inst(ItemsNms.java:26) ~[VanillaCustomizer_0.3 (1).jar:?]
	at VanillaCustomizer_0.3 (1).jar/dev.lone.vanillacustomizer.Main.onEnable(Main.java:52) ~[VanillaCustomizer_0.3 (1).jar:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:280) ~[purpur-api-1.21.8-R0.1-SNAPSHOT.jar:?]
	at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:202) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:109) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:520) ~[purpur-api-1.21.8-R0.1-SNAPSHOT.jar:?]
	at org.bukkit.craftbukkit.CraftServer.enablePlugin(CraftServer.java:666) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:622) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:746) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:491) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:314) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1179) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:313) ~[purpur-1.21.8.jar:1.21.8-2488-710ecf5]
	at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
Caused by: java.lang.NullPointerException: Cannot read field "protocol" because the return value of "lonelibs.dev.lone.fastnbt.nms.Version.get()" is null
	at LoneLibs_1.0.65.jar/lonelibs.dev.lone.fastnbt.nms.Version.isAtLeast(Version.java:71) ~[LoneLibs_1.0.65.jar:?]
	at VanillaCustomizer_0.3 (1).jar/dev.lone.vanillacustomizer.nms.NMS.<clinit>(NMS.java:20) ~[VanillaCustomizer_0.3 (1).jar:?]
	... 15 more

Other files, you can drag and drop them here to upload. (optional)

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Screenshots/Videos (you can drag and drop files or paste links)

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