[13:19:08 ERROR]: Could not pass event AsyncPlayerChatEvent to SkyWars v2.0.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:509) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:491) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.PlayerConnection.chat(PlayerConnection.java:965) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:905) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at net.minecraft.server.v1_7_R4.PacketPlayInChat$1.run(PacketPlayInChat.java:59) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_20]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_20]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_20]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_20]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_20]
Caused by: java.lang.NullPointerException
	at net.daboross.bukkitdev.skywars.listeners.ScoreReplaceChatListener.onChat(ScoreReplaceChatListener.java:39) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor122.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_20]
	at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_20]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
	... 12 more