Problem with Fastlogin on PaperSpigot 1.20.1

What happened?

Autoregister premium players doesn't work at all, typing /premum after manual registration either, Error as above every login trial.

What did you expect?

No response

Steps to reproduce

No response

Plugin list

AuthMe, BlockLocker, DiscordSRV, Essentials, EssentialsChat, FastLogin, GrimAC, LuckPerms, OpenInv, ProAnnounces ProtocolLib, ServerBackup, Vault, ViaBackwards, ViaVersion, WorldEdit, WorldGuard

Configuration file

No response

Server log

[FastLogin] Unhandled exception occurred in onAsyncPacket() for FastLogin com.comphenix.protocol.reflect.FieldAccessException: Field index 0 is out of bounds for length 0 at com.comphenix.protocol.reflect.FieldAccessException.fromFormat(FieldAccessException.java:49) ~[ProtocolLib.jar:?] at com.comphenix.protocol.reflect.StructureModifier.read(StructureModifier.java:245) ~[ProtocolLib.jar:?] at com.github.games647.fastlogin.bukkit.listener.protocollib.ProtocolLibListener.onLogin(ProtocolLibListener.java:76) ~[FastLogin.jar:?] at com.github.games647.fastlogin.bukkit.listener.protocollib.ProtocolLibListener.onPacketReceiving(ProtocolLibListener.java:52) ~[FastLogin.jar:?] at com.comphenix.protocol.async.AsyncListenerHandler.processPacket(AsyncListenerHandler.java:625) ~[ProtocolLib.jar:?] at com.comphenix.protocol.async.AsyncListenerHandler.listenerLoop(AsyncListenerHandler.java:579) ~[ProtocolLib.jar:?] at com.comphenix.protocol.async.AsyncListenerHandler.access$100(AsyncListenerHandler.java:48) ~[ProtocolLib.jar:?] at com.comphenix.protocol.async.AsyncListenerHandler$1.run(AsyncListenerHandler.java:223) ~[ProtocolLib.jar:?] at com.comphenix.protocol.async.AsyncListenerHandler.lambda$start$1(AsyncListenerHandler.java:292) ~[ProtocolLib.jar:?] at org.bukkit.craftbukkit.v1_20_R1.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.20.1.jar:git-Paper-172] at org.bukkit.craftbukkit.v1_20_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57) ~[paper-1.20.1.jar:git-Paper-172] at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[paper-1.20.1.jar:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?] at java.lang.Thread.run(Thread.java:833) ~[?:?]

Plugin version

FastLogin version 1.10-git484855724b794de1fe057cf7360245362658b432

Platform

Spigot

Relevance

[X] I tried the latest build (build refers to development builds not necessary a release version)
[X] I checked for existing tickets - If there are, please vote them with a thumps reaction and not create new ones

games647 / FastLogin