Error occurred while disabling

2012-08-10 22:08:35 [SEVERE] Error occurred while disabling AntiRelog v2.0.0 (Is it up to date?)
java.lang.NullPointerException
	at com.github.r0306.AntiRelog.Storage.Persistence.createNewFile(Persistence.java:56)
	at com.github.r0306.AntiRelog.Storage.Persistence.saveQueue(Persistence.java:21)
	at com.github.r0306.AntiRelog.Storage.DataBase.saveQueue(DataBase.java:37)
	at com.github.r0306.AntiRelog.AntiRelog.onDisable(AntiRelog.java:108)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:219)
	at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:391)
	at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:400)
	at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:393)
	at org.bukkit.craftbukkit.CraftServer.disablePlugins(CraftServer.java:260)
	at net.minecraft.server.MinecraftServer.stop(MinecraftServer.java:328)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:437)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)