I get also an error:
2013/02/21 03:01.09: Add database dump "....sql" with 12.47 MB to backup file list
2013/02/21 03:01.09: 1. try for make list of files to backup....
2013/02/21 03:01.22: 4500 files with 134.92 MB to backup
2013/02/21 03:01.22: 1. try to create backup zip (PclZip) archive...
2013/02/21 03:02.23: Backup zip archive create done
2013/02/21 03:02.23: Backup-bestand is 61.28 MB
2013/02/21 03:02.23: 1. Backup-bestand naar DropBox verzenden...
2013/02/21 03:02.25: Aangemeld bij DropBox met name name
2013/02/21 03:02.25: 2.82 GB vrij op DropBox
2013/02/21 03:02.25: Verzending naar DropBox gestart...
2013/02/21 03:03.25: Undefined offset: 1
<span class="timestamp" title="[Line: 43|File: dest_dropbox.ph</body> </html>