Fatal error: Uncaught Error: Interface "FSVendor\WPDesk\PluginBuilder\Plugin\Hookable" not found in /home/samipe/public_html/wp-content/plugins/flexible-shipping/classes/notices/rate-notice.php:8 Stack trace: #0 {main} thrown in /home/samipe/public_html/wp-content/plugins/flexible-shipping/classes/notices/rate-notice.php on line 8