Konsola wywala błąd

Hej, korzystam z NPC commands i InteractiveBooks, ale kiedy klikam na npc z przypisaną komendą z InteractiveBooks, to wywala mi błędy jakieś i nie działają wtedy komendy z InteractiveBooks.

[13:15:35 WARN]: java.lang.NoSuchMethodException: net.minecraft.server.v1_12_R1.PacketPlayOutPlayerListHeaderFooter.<init>(net.minecraft.server.v1_12_R1.IChatBaseComponent)
[13:15:35 WARN]:        at java.lang.Class.getConstructor0(Unknown Source)
[13:15:35 WARN]:        at java.lang.Class.getConstructor(Unknown Source)
[13:15:35 WARN]:        at net.leonardo_dgs.interactivebooks.helper.utils.Players.<clinit>(Players.java:99)
[13:15:35 WARN]:        at net.leonardo_dgs.interactivebooks.IBook.open(IBook.java:151)
[13:15:35 WARN]:        at net.leonardo_dgs.interactivebooks.PlayerListener.onPlayerCommandPreprocess(PlayerListener.java:89)
[13:15:35 WARN]:        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor212.execute(Unknown Source)
[13:15:35 WARN]:        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70)
[13:15:35 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)
[13:15:35 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[13:15:35 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1484)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.PlayerConnection.chat(PlayerConnection.java:1401)
[13:15:35 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.chat(CraftPlayer.java:352)
[13:15:35 WARN]:        at me.messageofdeath.commandnpc.Listeners.NPCListener.onClick(NPCListener.java:152)
[13:15:35 WARN]:        at me.messageofdeath.commandnpc.Listeners.NPCListener.onLeft(NPCListener.java:67)
[13:15:35 WARN]:        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor273.execute(Unknown Source)
[13:15:35 WARN]:        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70)
[13:15:35 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)
[13:15:35 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[13:15:35 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513)
[13:15:35 WARN]:        at net.citizensnpcs.EventListen.onEntityDamage(EventListen.java:228)
[13:15:35 WARN]:        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor242.execute(Unknown Source)
[13:15:35 WARN]:        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70)
[13:15:35 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)
[13:15:35 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[13:15:35 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513)
[13:15:35 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:94)
[13:15:35 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:620)
[13:15:35 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:523)
[13:15:35 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:652)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity0(EntityLiving.java:1415)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity0(EntityHuman.java:860)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity(EntityLiving.java:888)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity(EntityHuman.java:773)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.EntityPlayer.damageEntity(EntityPlayer.java:629)
[13:15:35 WARN]:        at net.citizensnpcs.nms.v1_12_R1.entity.EntityHumanNPC.damageEntity(EntityHumanNPC.java:185)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.EntityHuman.attack(EntityHuman.java:1028)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.EntityPlayer.attack(EntityPlayer.java:1397)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1724)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:49)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:6)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[13:15:35 WARN]:        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
[13:15:35 WARN]:        at java.util.concurrent.FutureTask.run(Unknown Source)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774)
[13:15:35 WARN]:        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666)
[13:15:35 WARN]:        at java.lang.Thread.run(Unknown Source)

Proszę o pomoc