Fatal error: Uncaught Error: Class 'Contao\Image\Metadata\AbstractFormat' not found in /home/benjamincb/demos/acdg-site/vendor/contao/image/src/Metadata/PngFormat.php:15 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/contao/image/src/Metadata/PngFormat.php on line 15