[SEVERE] Could not pass event PlayerInteractEvent to GriefPrevention v7.8
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:363)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
	at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:167)
	at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:541)
	at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:874)
	at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
	at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
	at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:222)
	at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
	at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:860)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:729)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:613)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.NullPointerException
	at me.ryanhamshire.GriefPrevention.ClaimArray.getChunks(ClaimArray.java:77)
	at me.ryanhamshire.GriefPrevention.ClaimArray.removeID(ClaimArray.java:63)
	at me.ryanhamshire.GriefPrevention.DataStore.deleteClaim(DataStore.java:394)
	at me.ryanhamshire.GriefPrevention.DataStore.resizeClaim(DataStore.java:1027)
	at me.ryanhamshire.GriefPrevention.PlayerEventHandler.onPlayerInteract(PlayerEventHandler.java:1771)
	at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:361)
	... 16 more