Fatal error: Uncaught Error: Class "FSVendor\Octolize\Onboarding\OnboardingAjax" not found in /home/samipe/public_html/wp-content/plugins/flexible-shipping/vendor_prefixed/octolize/wp-onboarding/src/Onboarding/PluginUpgrade/PluginUpgradeAjax.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/PluginUpgradeAjax.php on line 10