No_Grief Error

2012-03-17 01:14:40 [SEVERE] [NGlogger] An error occured creating a new block.logs file. Here is the error:

2012-03-17 01:14:40 [SEVERE] java.io.IOException: The system cannot find the path specified
2012-03-17 01:14:40 [SEVERE]    at java.io.WinNTFileSystem.createFileExclusively(Native Method)
2012-03-17 01:14:40 [SEVERE]    at java.io.File.createNewFile(Unknown Source)
2012-03-17 01:14:40 [SEVERE]    at me.sayaad.NGlogger.util.API.checkBlockFileSize(API.java:147)
2012-03-17 01:14:40 [SEVERE]    at me.sayaad.NGlogger.util.API.logToBlockLogs(API.java:75)
2012-03-17 01:14:40 [SEVERE]    at me.sayaad.NGlogger.blocklistener.onBlockBreak(blocklistener.java:85)
2012-03-17 01:14:40 [SEVERE]    at sun.reflect.GeneratedMethodAccessor143.invoke(Unknown Source)
2012-03-17 01:14:40 [SEVERE]    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2012-03-17 01:14:40 [SEVERE]    at java.lang.reflect.Method.invoke(Unknown Source)
2012-03-17 01:14:40 [SEVERE]    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
2012-03-17 01:14:40 [SEVERE]    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
2012-03-17 01:14:40 [SEVERE]    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:441)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.ItemInWorldManager.breakBlock(ItemInWorldManager.java:218)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.ItemInWorldManager.a(ItemInWorldManager.java:173)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:627)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.Packet14BlockDig.handle(SourceFile:43)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:116)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:452)
2012-03-17 01:14:40 [SEVERE]    at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)