[bugtracker] Beta 3 Rev 142 Article category error with layout issues

[G6Cad]

Error reported by Skhilled

On a clean install, articles can not show in preview unless they are assigned to a category first. You get:

An Error Has Occurred!
The article isn't active, hasn't been approved yet, or simply does not exist.

The following errors show up in the log:

See topic report link for more info and screenshots.

http://www.tinyportal.net/index.php/topic,27754.msg221660.html#msg221660

[bloc]

- added option for admin to override article with missing category, on preview. TPv1.0 beta3