Fatal error: Uncaught Error: Class 'League\Config\Exception\InvalidConfigurationException' not found in /home/benjamincb/demos/acdg-site/vendor/league/config/src/Exception/ValidationException.php:18 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/league/config/src/Exception/ValidationException.php on line 18