New product turns off right hand column?

I'm just testing a new site using the latest version of Zencart. Products added from an existing database are fine, but when I add a new product, for some reason the right hand column disappears in the product list view.

Could anyone shed some light on what might be causing this?

Thanks

Does the footer also disappear? In that case, there could be something about the product info that is causing an error.
Can you give an example of a product where this is happening?

Yes the footer does disappear too. I've added a dummy product which can be seen here http://www.divatoys.com/TEST/gift-vouchers

Cheers
Patrick

This is the end of the output

<!-- bof: whats_new -->
<div class="centerBoxWrapper" id="whatsNew">

which indicates that the new products centerbox code is where the fatal error is occurring.

Thanks very much Glen, got that sorted now. I had an override template page in there which was mistakenly copied over from a previous site. :oops:

I will remember to view the whole code source next time