Fatal error: Uncaught Error: Class 'Symfony\Component\Serializer\Exception\UnexpectedValueException' not found in /home/devilinf/maitres-couvreurs.fr/web_pool/marne-vitry-le-francois/vendor/symfony/serializer/Exception/PartialDenormalizationException.php:17 Stack trace: #0 {main} thrown in /home/devilinf/maitres-couvreurs.fr/web_pool/marne-vitry-le-francois/vendor/symfony/serializer/Exception/PartialDenormalizationException.php on line 17