[14:26:23] [Server thread/ERROR]: Could not pass event PlayerGameModeChangeEvent to Minigames v1.6.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[spigot.jar:git-Spigot-1260]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-1260]
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[spigot.jar:git-Spigot-1260]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482) [spigot.jar:git-Spigot-1260]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467) [spigot.jar:git-Spigot-1260]
	at org.bukkit.craftbukkit.v1_7_R1.entity.CraftPlayer.setGameMode(CraftPlayer.java:759) [spigot.jar:git-Spigot-1260]
	at com.bergerkiller.bukkit.mw.WorldConfig.updateGamemode(WorldConfig.java:531) [MyWorlds.jar:?]
	at com.bergerkiller.bukkit.mw.WorldConfig.onPlayerEnter(WorldConfig.java:418) [MyWorlds.jar:?]
	at com.bergerkiller.bukkit.mw.MWListener.onPlayerJoin(MWListener.java:74) [MyWorlds.jar:?]
	at sun.reflect.GeneratedMethodAccessor434.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_03]
	at java.lang.reflect.Method.invoke(Method.java:601) ~[?:1.7.0_03]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) [spigot.jar:git-Spigot-1260]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [spigot.jar:git-Spigot-1260]
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) [spigot.jar:git-Spigot-1260]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482) [spigot.jar:git-Spigot-1260]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.PlayerList.c(PlayerList.java:225) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.PlayerList.a(PlayerList.java:116) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.LoginListener.c(LoginListener.java:87) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.LoginListener.a(LoginListener.java:42) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:150) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:683) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:452) [spigot.jar:git-Spigot-1260]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1260]
Caused by: java.lang.NullPointerException
	at com.pauldavdesign.mineauz.minigames.Events.onGMChange(Events.java:510) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor752.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_03]
	at java.lang.reflect.Method.invoke(Method.java:601) ~[?:1.7.0_03]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[spigot.jar:git-Spigot-1260]
	... 27 more