Fatal error: Uncaught Error: Call to undefined function register_activation_hook() in /home/moodisth/test.moodisthastanesi.com/wp-content/pluginsOFF/developress-sticky-footer-bar/activation_hook.php:41 Stack trace: #0 {main} thrown in /home/moodisth/test.moodisthastanesi.com/wp-content/pluginsOFF/developress-sticky-footer-bar/activation_hook.php on line 41