Error SafeEdit

2013-08-29 20:28:55 [SEVERE] Could not pass event BlockPhysicsEvent to SafeEdit v1.2.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at net.minecraft.server.v1_6_R2.World.g(World.java:493)
	at net.minecraft.server.v1_6_R2.World.applyPhysics(World.java:453)
	at net.minecraft.server.v1_6_R2.World.update(World.java:420)
	at net.minecraft.server.v1_6_R2.World.setTypeIdAndData(World.java:312)
	at org.bukkit.craftbukkit.v1_6_R2.block.CraftBlock.setTypeId(CraftBlock.java:108)
	at me.frodenkvist.safeedit.save.TotallySerializableBlock.convertToBlock(TotallySerializableBlock.java:62)
	at me.frodenkvist.safeedit.UndoRunnable.run(UndoRunnable.java:103)
	at org.bukkit.craftbukkit.v1_6_R2.scheduler.CraftTask.run(CraftTask.java:53)
	at org.bukkit.craftbukkit.v1_6_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
	at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:522)
	at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:226)
	at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
	at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
	at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.NullPointerException
	at me.frodenkvist.safeedit.SetBlockRunnable.containsLoc(SetBlockRunnable.java:281)
	at me.frodenkvist.safeedit.SetBlockRunnable.onBlockPhysics(SetBlockRunnable.java:384)
	at sun.reflect.GeneratedMethodAccessor39.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:425)
	... 17 more