Fatal error: Uncaught Error: Interface "League\Config\Exception\ConfigurationExceptionInterface" not found in /var/www/live/demo8.thesynergate.com/sms_api_v2/vendor/league/config/src/Exception/UnknownOptionException.php:18 Stack trace: #0 {main} thrown in /var/www/live/demo8.thesynergate.com/sms_api_v2/vendor/league/config/src/Exception/UnknownOptionException.php on line 18