Fatal error: Uncaught Error: Interface "Psr\Clock\ClockInterface" not found in /var/www/live/demo8.thesynergate.com/sms_api_v2/vendor/symfony/clock/ClockInterface.php:19 Stack trace: #0 {main} thrown in /var/www/live/demo8.thesynergate.com/sms_api_v2/vendor/symfony/clock/ClockInterface.php on line 19