What version of Zen Cart are you using?
The latest.

Has your site been upgraded? When? From what version(s)?
upgrading from 1.3.7

If you've upgraded, HOW did you upgrade? (official upgrade procedure or an automated script from your hosting company?)
installed a fresh zencart on a new server, moved the database over, did a zc_install to update the database, moved over old custom template pages.

What plugins/addons have you installed? When? If your problems are payment-related, what payment module(s) are you using? If it's shipping-related, which shipping module(s) are you using?

None


If your problems are language-pack related (non-English), have you checked that all the language files are loaded and correct?

No.

HOW did you install Zen Cart? (upload via FTP and run zc_install, or a one-click install from your hosting company? (one-click installs might mean you don't have enough information about your site/server to make customizations easily))

Installed a fresh zencart on a new server, moved the database over, did a zc_install to update the database, moved over old custom template pages


What version of PHP and MySQL is your server using? (See Admin->Tools->Server Info)
PHP Version 5.4.40
mysql Ver 14.14 Distrib 5.6.23,

WHEN did the problem "start"? How does that compare with other events of your hosting company, changes you've made to your site files/addons, or your admin settings, etc?

After the upgrade


Please post the contents of related "debug logs" generated by Zen Cart (wrap the content in
Code:
 and
tags please!).
This problem is not throwing an error in the logs.


If this is your first store, have you tested all aspects of transactions before going live?
No, was running fine under the previous version.


In what ways is your site customized or different from a brand new uncustomized install?

a number of custom code modifications.

Please post your site URL* so we can take a look at it. This is especially important if you're encountering display/layout problems, so the problem can be seen directly.
employers request I do not at this time.


If you're encountering problems that could be related to your server or hosting company, include the name of your hosting company (not their URL).

its not

HAVE YOU LOOKED IN THE FAQ AREA for answers to your question? (ie: a search for your error message or what you want to edit/change, etc)

yes

Have you searched the FORUM for your error message or for answers to the question you're asking?

yes