Fatal error: Uncaught Error: Class 'CHtml' not found in /var/www/html/dev/sophia_frm_ext_lib/extensions/yiibooster/views/fileupload/form.php:9 Stack trace: #0 {main} thrown in /var/www/html/dev/sophia_frm_ext_lib/extensions/yiibooster/views/fileupload/form.php on line 9