If the problem is continuing to show up on your site, then it's a problem which will likely have to be resolved by your hosting company. You should be reporting it to them first.
Similar discussion: http://www.zen-cart.com/forum/showthread.php?t=93547
However, if you're *only* seeing that message in Google search results, then you'll have to ask Google to remove those bad entries, or wait for Google to come back and re-index those pages again when the error is not appearing.



