Fatal error: Uncaught Error: Class 'Illuminate\Support\Manager' not found in /home/caistbuw/public_html/vendor/laravel/framework/src/Illuminate/Mail/TransportManager.php:21 Stack trace: #0 {main} thrown in /home/caistbuw/public_html/vendor/laravel/framework/src/Illuminate/Mail/TransportManager.php on line 21