Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/glennroe/public_html/intertextual-hub/wp-content/themes/omega/lib/functions/filters.php:9 Stack trace: #0 {main} thrown in /home/glennroe/public_html/intertextual-hub/wp-content/themes/omega/lib/functions/filters.php on line 9