Fatal error: Uncaught Error: Interface "Maatwebsite\Excel\Concerns\FromCollection" not found in /home/rwebserver/public_html/latestprimedoctors.rwebserver.com/app/Exports/AppointmentsExport.php:13 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/latestprimedoctors.rwebserver.com/app/Exports/AppointmentsExport.php on line 13