Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Part\AbstractMultipartPart" not found in /usr/home/wdzaizai2/domains/tc.wdz.ddns-ip.net/public_html/vendor/symfony/mime/Part/Multipart/AlternativePart.php:19
Stack trace:
#0 {main}
  thrown in /usr/home/wdzaizai2/domains/tc.wdz.ddns-ip.net/public_html/vendor/symfony/mime/Part/Multipart/AlternativePart.php on line 19