Fatal error: Uncaught Error: Interface "League\Config\Exception\ConfigurationExceptionInterface" not found in /home/alkhalaffamily/public_html/teachme/vendor/league/config/src/Exception/UnknownOptionException.php:18 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/teachme/vendor/league/config/src/Exception/UnknownOptionException.php on line 18