Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/ktsrockstars/public_html/wp-content/plugins/thrive-apprentice/inc/classes/integrations/class-tva-integrations-manager.php:42 Stack trace: #0 /home/ktsrockstars/public_html/wp-content/plugins/thrive-apprentice/inc/classes/integrations/class-tva-integrations-manager.php(37): TVA_Integrations_Manager->hooks() #1 /home/ktsrockstars/public_html/wp-content/plugins/thrive-apprentice/inc/classes/integrations/class-tva-integrations-manager.php(332): TVA_Integrations_Manager->__construct() #2 /home/ktsrockstars/public_html/wp-content/plugins/thrive-apprentice/inc/classes/integrations/class-tva-integrations-manager.php(338): tva_integration_manager() #3 {main} thrown in /home/ktsrockstars/public_html/wp-content/plugins/thrive-apprentice/inc/classes/integrations/class-tva-integrations-manager.php on line 42