Fatal error: Uncaught Error: Class 'CFilter' not found in /var/www/html/dev/sophia_frm_ext_lib/extensions/yiibooster/filters/BoosterFilter.php:26 Stack trace: #0 {main} thrown in /var/www/html/dev/sophia_frm_ext_lib/extensions/yiibooster/filters/BoosterFilter.php on line 26