Fatal error: Uncaught Error: Interface "Symfony\Component\Console\Output\OutputInterface" not found in /var/www/live/demo8.thesynergate.com/sms_api_v2/vendor/symfony/console/Output/ConsoleOutputInterface.php:20 Stack trace: #0 {main} thrown in /var/www/live/demo8.thesynergate.com/sms_api_v2/vendor/symfony/console/Output/ConsoleOutputInterface.php on line 20