Fatal error: Uncaught Error: Call to undefined function add_action() in /var/www/doodle/wp-content/plugins/olympus-google-fonts/includes/customizer/class-ogf-optimization-controls.php:24 Stack trace: #0 /var/www/doodle/wp-content/plugins/olympus-google-fonts/includes/customizer/class-ogf-optimization-controls.php(149): OGF_Optimization_Controls->__construct() #1 {main} thrown in /var/www/doodle/wp-content/plugins/olympus-google-fonts/includes/customizer/class-ogf-optimization-controls.php on line 24