Found another one:
Warning: Unknown modifier 'w' in /home/www/showflat.php on line 856
Warning: Unknown modifier 'w' in /home/www/showflat.php on line 856
Warning: Unknown modifier 'w' in /home/www/showflat.php on line 856
Error page.
Edit: there seems to be one error for every post in the thread, since there's four errors now instead of three.