Fatal error: Uncaught Error: Call to undefined function add_action() in /home/moodisth/test.moodisthastanesi.com/wp-content/pluginsOFF/developress-sticky-footer-bar/admin-settings.php:13 Stack trace: #0 {main} thrown in /home/moodisth/test.moodisthastanesi.com/wp-content/pluginsOFF/developress-sticky-footer-bar/admin-settings.php on line 13