Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in /home/caistbuw/public_html/vendor/spatie/laravel-backup/src/BackupServiceProvider.php:14 Stack trace: #0 {main} thrown in /home/caistbuw/public_html/vendor/spatie/laravel-backup/src/BackupServiceProvider.php on line 14