2012-09-30 12:31:55 [SEVERE] Could not pass event BlockPlaceEvent to MOCPlaytimeTracker
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:304)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467)
	at org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPlaceEvent(CraftEventFactory.java:99)
	at buildcraft.factory.TileQuarry.doWork(TileQuarry.java:210)
	at buildcraft.api.PowerProvider.update(PowerProvider.java:50)
	at buildcraft.core.TileBuildCraft.q_(TileBuildCraft.java:54)
	at buildcraft.factory.TileQuarry.q_(TileQuarry.java:136)
	at net.minecraft.server.World.tickEntities(World.java:1190)
	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:569)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.NullPointerException
	at moc.PlaytimeTracker.PlaytimeTrackerBlockListener.onBlockPlace(PlaytimeTrackerBlockListener.java:27)
	at sun.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302)
	... 12 more