I'm in the middle of putting my website online and the links have stopped working. These links are dynamically generated through object oriented PHP. I'm not sure how because the programmer who's been working on it is not responding.
The website in question is:
(The Site Administrator has removed the contact detail from this project.)
Links like help and contact are fine, it's the category and product pages that are problematic and go to 404.
This is urgent and I'll need it fixed within the next few hours.