Fatal error: Uncaught Error: Call to undefined function add_action() in /home/MaksiuZi/public_html/bartektest/wp-content/themes/donovan/inc/customizer/sections/customizer-blog.php:153 Stack trace: #0 {main} thrown in /home/MaksiuZi/public_html/bartektest/wp-content/themes/donovan/inc/customizer/sections/customizer-blog.php on line 153