cant choose kits in a game

[Micocono123]

when i use the choose kit item i get an error in console and thats annoying

[Micocono123]

[17:02:30] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to Skywars v5.6.0
org.bukkit.event.EventException: null
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[server.jar:3096-Spigot-9fb885e-296df56]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[server.jar:3096-Spigot-9fb885e-296df56]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:589) ~[server.jar:3096-Spigot-9fb885e-296df56]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:576) ~[server.jar:3096-Spigot-9fb885e-296df56]
at org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:494) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.PlayerInteractManager.a(PlayerInteractManager.java:479) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:1504) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.PacketPlayInUseItem.a(PacketPlayInUseItem.java:32) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.PacketPlayInUseItem.a(PacketPlayInUseItem.java:1) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:28) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(SourceFile:144) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(SourceFile:118) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1061) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1054) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(SourceFile:127) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1038) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:970) ~[server.jar:3096-Spigot-9fb885e-296df56]
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:273) ~[server.jar:3096-Spigot-9fb885e-296df56]
at java.lang.Thread.run(Thread.java:831) [?:?]
Caused by: java.lang.NullPointerException: Cannot invoke "org.bukkit.inventory.ItemStack.clone()" because "item" is null
at com.walrusone.skywarsreloaded.nms.v1_16_R3.NMSHandler.getItemStack(NMSHandler.java:120) ~[?:?]
at com.walrusone.skywarsreloaded.menus.gameoptions.KitSelectionMenu.(KitSelectionMenu.java:59) ~[?:?]
at com.walrusone.skywarsreloaded.listeners.PlayerInteractListener.onClick(PlayerInteractListener.java:294) ~[?:?]
at jdk.internal.reflect.GeneratedMethodAccessor103.invoke(Unknown Source) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:567) ~[?:?]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[server.jar:3096-Spigot-9fb885e-296df56]
... 20 more

[Micocono123]

please help me i dont know how to fix

[ninjadev64]

This needs to be asked on their Discord