Getting a zen cart blank page or blank part of a page

If you’re getting a blank page when trying to browse to a certain page on your store, or after clicking to have it do something, you’ve almost certainly got a PHP error in one or more of your files.
Blank pages can be caused by a number of things, and often occur just after installing, upgrading, or customizing your store. Any time you touch a PHP file, you must be sure to not introduce syntax problems(even worse you have a blank space after a