Backup error .hotfiles.btree file

[tberens]

Here is a portion of my log. Can I just delete this file?

TIA

Tom

|10:34:02 AM|Info| Ignoring /private/var/tmp/3fd8c233295bc
|10:34:02 AM|Info| Ignoring /private/var/vm
|10:40:37 AM|Info| Ignoring /Volumes/80GB_Ext_Drive_1
|10:40:37 AM|Info| Ignoring /Volumes/Untitled
|10:40:37 AM|Info| Ignoring /Volumes/Backup Drive
|10:40:46 AM|Info| Ignoring /Volumes/Aki
|10:40:46 AM|Info| Ignoring /Volumes/80GB_Ext_Drive_2
|10:40:46 AM|Info| Ignoring /Volumes/Video
|10:40:46 AM|Info| Ignoring /Volumes/Tiger
|10:40:46 AM|Info| Ignoring /.Trashes
|10:40:46 AM|Info| Ignoring /.vol
|10:40:46 AM|Info| WARNING: Caught I/O exception(16): Resource busy
|10:40:46 AM|Info| WARNING: Source: /.hotfiles.btree, lstat(): 0
|10:40:46 AM|Info| WARNING: Target: /Volumes/80GB_Ext_Drive_1/.hotfiles.btree, lstat(): 0
|10:40:46 AM|Info| Logging attributes for item: /.hotfiles.btree of type: 8
|10:40:46 AM|Error| SVUclone: Error: Couldn't create