Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Header\AbstractHeader" not found in E:\install\laragon\www\nom_du_projet\vendor\symfony\mime\Header\IdentificationHeader.php:22 Stack trace: #0 {main} thrown in E:\install\laragon\www\nom_du_projet\vendor\symfony\mime\Header\IdentificationHeader.php on line 22