Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\Header\AbstractHeader' not found in C:\laragon\www\gsp-Dev\gabc-store-portal\vendor\symfony\mime\Header\UnstructuredHeader.php:19 Stack trace: #0 {main} thrown in C:\laragon\www\gsp-Dev\gabc-store-portal\vendor\symfony\mime\Header\UnstructuredHeader.php on line 19