Error in console: Could not pass event PlayerKillEvent to BedWars1058-Compass v1.4.3

[krystian987]

Error:
[15:25:56] [Server thread/ERROR]: Could not pass event PlayerKillEvent to BedWars1058-Compass v1.4.3
org.bukkit.event.EventException: null
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1620]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1620]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1620]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1620]
at com.andrei1058.bedwars.arena.Arena.removePlayer(Arena.java:857) ~[?:?]
at com.andrei1058.bedwars.listeners.QuitAndTeleportListener.onLeave(QuitAndTeleportListener.java:56) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor217.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1620]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1620]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1620]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1620]
at net.minecraft.server.v1_12_R1.PlayerList.disconnect(PlayerList.java:429) ~[patched_1.12.2.jar:git-Paper-1620]
at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1167) ~[patched_1.12.2.jar:git-Paper-1620]
at net.minecraft.server.v1_12_R1.PlayerConnection.disconnect(PlayerConnection.java:274) ~[patched_1.12.2.jar:git-Paper-1620]
at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.kickPlayer(CraftPlayer.java:332) ~[patched_1.12.2.jar:git-Paper-1620]
at litebans.fL.b(fL.java:152) ~[?:?]
at litebans.jy.a(jy.java:459) ~[?:?]
at litebans.fB.run(fB.java:464) ~[?:?]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:64) ~[patched_1.12.2.jar:git-Paper-1620]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:423) ~[patched_1.12.2.jar:git-Paper-1620]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:840) ~[patched_1.12.2.jar:git-Paper-1620]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1620]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1620]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1620]
at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NullPointerException
at club.mher.compass.listener.GameListener.onKill(GameListener.java:57) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor417.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1620]
... 24 more

System:
OS: Linux
Server software: Paper
Server Version: 1.12.2
Plugin Version: 1.4.3
BedWars1058 version: 23.12.2