[20:03:37 INFO]: Gxcciii issued server command: /spawn
[20:03:38 INFO]: IIRyanII lost connection: Disconnected
[20:03:38 INFO]: Gxcciii issued server command: /leave
[20:03:38 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'leave' in plugin McDuels v16.6.3
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[duels.jar:git-TacoSpigot-bf023c7d]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:143) ~[duels.jar:git-TacoSpigot-bf023c7d]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:667) ~[duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1178) [duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:991) [duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [duels.jar:git-TacoSpigot-bf023c7d]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_201]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_201]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:785) [duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:427) [duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:724) [duels.jar:git-TacoSpigot-bf023c7d]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:627) [duels.jar:git-TacoSpigot-bf023c7d]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
        at me.stevie212.McDuels.Object.Battles.OneVsOneS(Battles.java:909) ~[?:?]
        at me.stevie212.McDuels.Object.Battles.PlayerLeaveScoreBoardUpdate(Battles.java:604) ~[?:?]
        at me.stevie212.McDuels.Managers.BattleManager.Leave(BattleManager.java:2282) ~[?:?]
        at me.stevie212.McDuels.Commands.CoreLeave.onCommand(CoreLeave.java:45) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[duels.jar:git-TacoSpigot-bf023c7d]
        ... 15 more
[20:03:39 INFO]: Cptpsycho769 lost connection: Disconnected