Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/tcalculu/pmtdemo.tcalculus.com/wp-cont/pmt.tcalculus.com/wp-content/pluginsent/plugins/wc-frontend-manager/views/integrations/wcfm-view-geomywp-products-manage.php:17 Stack trace: #0 {main} thrown in /home/tcalculu/pmtdemo.tcalculus.com/wp-cont/pmt.tcalculus.com/wp-content/pluginsent/plugins/wc-frontend-manager/views/integrations/wcfm-view-geomywp-products-manage.php on line 17