Fatal error: Uncaught Error: Class "Illuminate\Support\Manager" not found in /home/smartcrmiq/public_html/dev/vendor/beyondcode/laravel-mailbox/src/MailboxManager.php:12 Stack trace: #0 {main} thrown in /home/smartcrmiq/public_html/dev/vendor/beyondcode/laravel-mailbox/src/MailboxManager.php on line 12