Fatal error: Uncaught Error: Interface "Maatwebsite\Excel\Concerns\FromCollection" not found in /home/uconline/public_html/pruebas.uconline.mx/app/Exports/EAD/ExportSchoolSubjets.php:10 Stack trace: #0 {main} thrown in /home/uconline/public_html/pruebas.uconline.mx/app/Exports/EAD/ExportSchoolSubjets.php on line 10