Found it!It was a

Posts: 65
Joined: 01/23/2008
Bug Finder

Found it!

It was a imagecache2 bug:
http://drupal.org/node/275605

And preg_match() is "new" in the bootstrap.inc since drupal 5.7

Thanks Ryan Smiling

preg_match() error By: kwgossett (7 replies) Wed, 06/11/2008 - 21:19