i file was missing and i put it back but now i have other erorr
in admin:
Class 'yclass' not found in /home/lifeba/public_html/jucarii/includes/init_includes/init_ssu.php on line 8


on site
Warning: preg_replace() [function.preg-replace]: No ending delimiter '/' found in /home/lifeba/public_html/jucarii/includes/init_includes/init_ssu.php on line 36

Warning: Cannot modify header information - headers already sent by (output started at /home/lifeba/public_html/jucarii/includes/init_includes/init_ssu.php:36) in /home/lifeba/public_html/jucarii/includes/init_includes/init_templates.php on line 78


where i did wrong? i am new at this. please help
maybe an archived verssion please, if a missing file is stiil the problem

thanks