Fatal error: Uncaught Error: Interface 'Psr\Container\ContainerInterface' not found in /home/acb20f5/public_html/alp/vendor/symfony/service-contracts/ServiceProviderInterface.php:24 Stack trace: #0 {main} thrown in /home/acb20f5/public_html/alp/vendor/symfony/service-contracts/ServiceProviderInterface.php on line 24