Albums have become untitled with no pics.

The following information is required to get an answer:
Get this information from the PHP diagnostic (in the configuration wizard).
Gallery URL (optional but very useful):http://theeberhards.com/Gallery/albums.php

Gallery version:v1.5-RC2
Apache version:
PHP version (don't just say PHP 4, please):PHP-Nuke (v. 7.8)

Graphics Toolkit:
Operating system: Windows XP
Web browser/version (if applicable): IE6, Firefox

I am getting this error when I try to access some of the albums I have. The albums were there last I checked. now the album is untitled and seems to be deleted. This is the error I get. Attention!

The album or photo that you were attempting to view either does not exist, or requires user privileges that you do not posess.

Any ideas?

Thanks,
Gary