Fatal error: Uncaught Error: Class "Ramsey\Collection\Queue" not found in /home/v2appclykk/public_html/mail_manager/vendor/ramsey/collection/src/DoubleEndedQueue.php:28 Stack trace: #0 {main} thrown in /home/v2appclykk/public_html/mail_manager/vendor/ramsey/collection/src/DoubleEndedQueue.php on line 28