scheduled incremental backups failing

Since the last update, I've been having problems with scheduled incremental backups failing. The only information returned is the rather uninformative line: "Cannot handle date (0, 0, 0, 11:13, , *20088514*) at virtual-server-lib-funcs.pl line 5107"

Where is it getting this date from? A file's timestamp (I would think this impossible without fs corruption)? A database? Some calculation somewhere?

I've tried deleting all scheduled backups and recreating them, using the 'basic' schedules (ie daily for incremental and weekly for full, as opposed to set times).

Status: 
Closed (fixed)