Fatal error: Uncaught Error: Call to undefined function add_action() in /home/cliqistc/public_html/wp-content/themes/Newspaper/includes/wp_booster/wp-admin/panel/td_demo_installer.php:12 Stack trace: #0 /home/cliqistc/public_html/wp-content/themes/Newspaper/includes/wp_booster/wp-admin/panel/td_demo_installer.php(247): td_demo_installer->__construct() #1 {main} thrown in /home/cliqistc/public_html/wp-content/themes/Newspaper/includes/wp_booster/wp-admin/panel/td_demo_installer.php on line 12