bloglines lost all my feeds

came in this morning and all my feeds I subscribed to in bloglines are gone.
I sent them an email just now, they should have a backup right? I have an OPML file I exported a few weeks ago, but I wonder what happened?

update: the feeds are back, I lost all read status though.
update2: at 1:04 PM I got a erply from bloglines:
Hello:

Thank you for writing to Bloglines.

We believe we have corrected the problem you reported and regret any
inconvenience this may have caused. Should it happen again, please let
us know.

Thank you again for writing.

Regards,
G.B.
Bloglines Support