Fatal error: Uncaught Error: Interface "Magento\Framework\Event\ObserverInterface" not found in /home/airtimer/public_html/vendor/magento/module-re-captcha-contact/Observer/ContactFormObserver.php:21 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/module-re-captcha-contact/Observer/ContactFormObserver.php on line 21