Fatal error: Uncaught Error: Call to undefined function add_action() in /srv/www/comaea/public_html/wp-content/plugins/custom-fonts/classes/class-bsf-custom-fonts-white-label.php:56 Stack trace: #0 /srv/www/comaea/public_html/wp-content/plugins/custom-fonts/classes/class-bsf-custom-fonts-white-label.php(44): Bsf_Custom_Fonts_White_Label->__construct() #1 /srv/www/comaea/public_html/wp-content/plugins/custom-fonts/classes/class-bsf-custom-fonts-white-label.php(208): Bsf_Custom_Fonts_White_Label::set_instance() #2 {main} thrown in /srv/www/comaea/public_html/wp-content/plugins/custom-fonts/classes/class-bsf-custom-fonts-white-label.php on line 56