Fatal error: Uncaught Error: Class "Webklex\PHPIMAP\Support\Masks\Mask" not found in D:\programs\xampp\htdocs\backend-test\vendor\webklex\php-imap\src\Support\Masks\AttachmentMask.php:23 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\webklex\php-imap\src\Support\Masks\AttachmentMask.php on line 23