When did this start happening?
How does that relate to things done to your webserver or your site or your database or your hosting account?
What version of Zen Cart? Is this an upgrade? from which version(s)? When?
What addons do you have installed?




Side-note: the proper etiquette for "bumping" your post is to post more information about the problem, not just say "help". Related info: http://www.zen-cart.com/forum/faq.ph...aq_do_and_dont