Fatal error: Uncaught Error: Interface "WPDesk_Tracker_Sender" not found in /home/samipe/public_html/wp-content/plugins/flexible-shipping/vendor_prefixed/octolize/wp-octolize-tracker/src/SenderToOctolize.php:8 Stack trace: #0 {main} thrown in /home/samipe/public_html/wp-content/plugins/flexible-shipping/vendor_prefixed/octolize/wp-octolize-tracker/src/SenderToOctolize.php on line 8