[20:10:44 ERROR]: Could not pass event EntityDamageByEntityEvent to mg-bedwars v1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.event.CraftEventFactory.callEvent(CraftEventFactory.java:86) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:539) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:452) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:571) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.EntityLiving.d(EntityLiving.java:1101) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.EntityLiving.damageEntity(EntityLiving.java:742) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.EntityHuman.attack(EntityHuman.java:1001) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.EntityPlayer.attack(EntityPlayer.java:1060) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.PlayerConnection.a(PlayerConnection.java:1345) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.PacketPlayInUseEntity.a(SourceFile:52) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.PacketPlayInUseEntity.a(SourceFile:11) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.PlayerConnectionUtils$1.run(SourceFile:13) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_45]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_45]
        at net.minecraft.server.v1_8_R2.SystemUtils.a(SourceFile:60) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:712) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45]
Caused by: java.lang.NullPointerException
        at net.ptnkjke.bedwars.BWArena.isSpectator(BWArena.java:194) ~[?:?]
        at net.ptnkjke.bedwars.BWListener.onPlayerSpectrFix(BWListener.java:467) ~[?:?]
        at sun.reflect.GeneratedMethodAccessor106.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_45]
        at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_45]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[BW_Japan_4x3_2.jar:git-Spigot-870264a-0a645a2]
        ... 23 more