Fatal error: Uncaught Error: Interface "WPForms\Integrations\IntegrationInterface" not found in /var/www/fs4/54/kublafi/public_html/wp-content/plugins/wpforms/src/Integrations/SMTP/Notifications.php:12 Stack trace: #0 {main} thrown in /var/www/fs4/54/kublafi/public_html/wp-content/plugins/wpforms/src/Integrations/SMTP/Notifications.php on line 12