Fatal error: Uncaught Error: Interface 'Psr\Log\LoggerInterface' not found in /home/benjamincb/demos/acdg-site/vendor/contao/core-bundle/src/Monolog/SystemLogger.php:17 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/contao/core-bundle/src/Monolog/SystemLogger.php on line 17