Fatal error: Uncaught Error: Interface "Psr\Container\ContainerInterface" not found in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/php-di/php-di/src/DI/Container.php:33 Stack trace: #0 {main} thrown in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/php-di/php-di/src/DI/Container.php on line 33