Fatal error: Uncaught Error: Class "Shopware\Core\Content\Mail\Service\AbstractMailSender" not found in /home/.sites/114/site713/web/energiepackung2024/vendor/shopware/core/Content/Mail/Service/MailSender.php:14
Stack trace:
#0 {main}
  thrown in /home/.sites/114/site713/web/energiepackung2024/vendor/shopware/core/Content/Mail/Service/MailSender.php on line 14