Fatal error: Uncaught Error: Interface "FSVendor\WPDesk\PluginBuilder\Plugin\Hookable" not found in /home/samipe/public_html/wp-content/plugins/flexible-shipping/vendor_prefixed/octolize/wp-onboarding/src/Onboarding/PluginUpgrade/PluginUpgradeWatcher.php:10 Stack trace: #0 {main} thrown in /home/samipe/public_html/wp-content/plugins/flexible-shipping/vendor_prefixed/octolize/wp-onboarding/src/Onboarding/PluginUpgrade/PluginUpgradeWatcher.php on line 10