Building Store Categories, Out Of No Where Service Unavailable

Adding categories to the store, and out of no where, bam, site says Service Unavailable. Any ideas? I try to go back to the last thing I did, which was upload a picture to a category, and I can't even delete it. It gives me some odd screen, and when I click that x to delete the pic, it gives me a 404 error. I have tried cleaning cache as well as clean up generated thumbnails.

Think I found the problem for future reference, the image was too large of a size, I figured since it downsized it to thumbnail's it did not matter, but apparently it does.

Looks like your issue is related with this one:

http://forum.cs-cart.com/topic/40984-odd-product-page-error/

Looks like your issue is related with this one:

http://forum.cs-cart.com/topic/40984-odd-product-page-error/

Thank you so much! this is what I was looking for

You are welcome! :)