Fatal error: Uncaught Error: Call to undefined function add_action() in /home/djszklo/public_html/djszklo/wp-content/themes/mesmerize/inc/optimizations.php:4 Stack trace: #0 {main} thrown in /home/djszklo/public_html/djszklo/wp-content/themes/mesmerize/inc/optimizations.php on line 4