Fatal error: Declaration of CustomNewsletterController::action($user_id, $arr_data, $newsletter_user, $obj_formfields) must be compatible with NewsletterController::action($user_id, $arr_data, $newsletter_user, $obj_formfields): string in /var/www/vhosts/bpstaging.myvanham.com/httpdocs/source_custom/application/controllers/CustomNewsletterController.php on line 18