Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Header\UnstructuredHeader" not found in E:\install\laragon\www\extranet_gpharma_demo\vendor\symfony\mailer\Header\MetadataHeader.php:19 Stack trace: #0 {main} thrown in E:\install\laragon\www\extranet_gpharma_demo\vendor\symfony\mailer\Header\MetadataHeader.php on line 19