Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /home/smartcrmiq/public_html/dev/vendor/beyondcode/laravel-mailbox/src/MailboxServiceProvider.php:11 Stack trace: #0 {main} thrown in /home/smartcrmiq/public_html/dev/vendor/beyondcode/laravel-mailbox/src/MailboxServiceProvider.php on line 11