[06:33:47] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to BedWars v8.1.9
org.bukkit.event.EventException: null
	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[spigot.jar:git-Paper-1204]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:74) ~[spigot.jar:git-Paper-1204]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Paper-1204]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:514) ~[spigot.jar:git-Paper-1204]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:499) ~[spigot.jar:git-Paper-1204]
	at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:235) ~[spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.PlayerInteractManager.a(PlayerInteractManager.java:458) ~[spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:949) ~[spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:37) ~[spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:5) ~[spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[spigot.jar:git-Paper-1204]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_144]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_144]
	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:843) [spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:424) [spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:767) [spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665) [spigot.jar:git-Paper-1204]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]
Caused by: java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437) ~[?:1.8.0_144]
	at java.util.HashMap$ValueIterator.next(HashMap.java:1466) ~[?:1.8.0_144]
	at net.minecraft.server.v1_12_R1.Scoreboard.getScoresForObjective(SourceFile:102) ~[spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.ScoreboardServer.getScoreboardScorePacketsForObjective(ScoreboardServer.java:152) ~[spigot.jar:git-Paper-1204]
	at net.minecraft.server.v1_12_R1.PlayerList.sendScoreboard(PlayerList.java:261) ~[spigot.jar:git-Paper-1204]
	at org.bukkit.craftbukkit.v1_12_R1.scoreboard.CraftScoreboardManager.setPlayerBoard(CraftScoreboardManager.java:94) ~[spigot.jar:git-Paper-1204]
	at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.setScoreboard(CraftPlayer.java:1407) ~[spigot.jar:git-Paper-1204]
	at ro.MAG.BW.Utile.Utile.loadScoreboard(Utile.java:616) ~[?:?]
	at ro.MAG.BW.ArenaManager.Arena.removePlayer(Arena.java:394) ~[?:?]
	at ro.MAG.BW.Evenimente.onInteract(Evenimente.java:345) ~[?:?]
	at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor214.execute(Unknown Source) ~[?:?]
	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[spigot.jar:git-Paper-1204]
	... 18 more