Pls fix this Exception in your Plugin

[hola6]

This started when I moved my server from my PC to another host. I have already tried reinstalling the plugin and updating it several times, and I haven't added any other plugins that could cause incompatibility.

[07:15:31 WARN]: [ServersNPC] Plugin ServersNPC v4.5 generated an exception while executing task 23
io.github.gonalez.znpcs.UnexpectedCallException: java.lang.AssertionError: can't invoke method: updateScoreboard
        at io.github.gonalez.znpcs.npc.NPC.spawn(NPC.java:299) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.task.NPCManagerTask.run(NPCManagerTask.java:32) ~[znpcs-4.5.jar:?]
        at org.bukkit.craftbukkit.v1_19_R1.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.19.2.jar:git-Paper-307]
        at org.bukkit.craftbukkit.v1_19_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57) ~[paper-1.19.2.jar:git-Paper-307]
        at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[paper-1.19.2.jar:?]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
        at java.lang.Thread.run(Thread.java:840) ~[?:?]
Caused by: java.lang.AssertionError: can't invoke method: updateScoreboard
        at io.github.gonalez.znpcs.npc.packet.PacketCache.lambda$getOrCache$0(PacketCache.java:54) ~[znpcs-4.5.jar:?]
        at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708) ~[?:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache.getOrCache(PacketCache.java:50) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache.access$000(PacketCache.java:12) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache$PacketHandler.invoke(PacketCache.java:82) ~[znpcs-4.5.jar:?]
        at jdk.proxy13.$Proxy143.updateScoreboard(Unknown Source) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.NPC.spawn(NPC.java:278) ~[znpcs-4.5.jar:?]
        ... 7 more
Caused by: java.lang.reflect.InvocationTargetException
        at jdk.internal.reflect.GeneratedMethodAccessor48.invoke(Unknown Source) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache.lambda$getOrCache$0(PacketCache.java:52) ~[znpcs-4.5.jar:?]
        at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708) ~[?:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache.getOrCache(PacketCache.java:50) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache.access$000(PacketCache.java:12) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache$PacketHandler.invoke(PacketCache.java:82) ~[znpcs-4.5.jar:?]
        at jdk.proxy13.$Proxy143.updateScoreboard(Unknown Source) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.NPC.spawn(NPC.java:278) ~[znpcs-4.5.jar:?]
        ... 7 more
Caused by: java.lang.IllegalArgumentException
        at jdk.internal.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
        at io.github.gonalez.znpcs.npc.packet.Packet.updateScoreboard(Packet.java:84) ~[znpcs-4.5.jar:?]
        at jdk.internal.reflect.GeneratedMethodAccessor48.invoke(Unknown Source) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache.lambda$getOrCache$0(PacketCache.java:52) ~[znpcs-4.5.jar:?]
        at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708) ~[?:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache.getOrCache(PacketCache.java:50) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache.access$000(PacketCache.java:12) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.packet.PacketCache$PacketHandler.invoke(PacketCache.java:82) ~[znpcs-4.5.jar:?]
        at jdk.proxy13.$Proxy143.updateScoreboard(Unknown Source) ~[znpcs-4.5.jar:?]
        at io.github.gonalez.znpcs.npc.NPC.spawn(NPC.java:278) ~[znpcs-4.5.jar:?]
        ... 7 more

[TheShadowModsUK]

I Get this error on 4.4/4.5/4.6 but not on 4.3