Fatal error: Uncaught Error: Interface "WPDesk\FS\Rate\RateNoticeInterface" not found in /home/samipe/public_html/wp-content/plugins/flexible-shipping/classes/notices/abstract-rate.php:5 Stack trace: #0 {main} thrown in /home/samipe/public_html/wp-content/plugins/flexible-shipping/classes/notices/abstract-rate.php on line 5