morehearts playerquitevent error

gistfile1.txt

[01:04:30] [Server thread/ERROR]: Could not pass event PlayerQuitEvent to MoreHearts v1.1
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at net.minecraft.server.v1_8_R3.PlayerList.disconnect(PlayerList.java:348) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:874) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at net.minecraft.server.v1_8_R3.NetworkManager.l(NetworkManager.java:314) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:145) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:872) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:711) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:614) [paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]
Caused by: java.lang.NullPointerException
	at me.Ninstet.MoreHearts.MoreHearts.onPlayerQuit(MoreHearts.java:243) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_60]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_60]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_60]
	at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_60]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[paperspigot.jar:git-PaperSpigot-9365b36-4a7472d]
	... 12 more