Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\Part\AbstractMultipartPart' not found in /home/demo1innoblitz/public_html/dhwani-cms/vendor2/symfony/mime/Part/Multipart/DigestPart.php:20 Stack trace: #0 {main} thrown in /home/demo1innoblitz/public_html/dhwani-cms/vendor2/symfony/mime/Part/Multipart/DigestPart.php on line 20