Fatal error: Uncaught Error: Class "Kirby\Email\Email" not found in /volume1/web/public/kirbi/kirby-4.1.0/src/Email/PHPMailer.php on line 19

Error: Class "Kirby\Email\Email" not found in /volume1/web/public/kirbi/kirby-4.1.0/src/Email/PHPMailer.php on line 19

Call Stack:
    0.0021     353560   1. {main}() /volume1/web/public/kirbi/kirby-4.1.0/src/Email/PHPMailer.php:0