Fatal error: Uncaught Error: Call to undefined function add_action() in /home/glennroe/public_html/intertextual-hub/wp-content/themes/twentynineteen/inc/customizer.php:105 Stack trace: #0 {main} thrown in /home/glennroe/public_html/intertextual-hub/wp-content/themes/twentynineteen/inc/customizer.php on line 105