Fatal error: Uncaught Error: Interface 'Sonata\Exporter\Writer\WriterInterface' not found in /home/devilinf/maitres-couvreurs.fr/web_pool/marne-vitry-le-francois/vendor/sonata-project/exporter/src/Writer/SitemapWriter.php:19 Stack trace: #0 {main} thrown in /home/devilinf/maitres-couvreurs.fr/web_pool/marne-vitry-le-francois/vendor/sonata-project/exporter/src/Writer/SitemapWriter.php on line 19