Fatal error: Uncaught Error: Call to undefined function add_action() in /home/ola/public_html/wp-content/plugins/radiantthemes-addons/class-radiantthemes-addons.php:50 Stack trace: #0 {main} thrown in /home/ola/public_html/wp-content/plugins/radiantthemes-addons/class-radiantthemes-addons.php on line 50