Fatal error: Uncaught Error: Interface 'Psr\Container\ContainerInterface' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/service-contracts/ServiceProviderInterface.php:22 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/service-contracts/ServiceProviderInterface.php on line 22