Fatal error: Uncaught Error: Interface "Maatwebsite\Excel\Concerns\ToCollection" not found in /home/grupssmx/public_html/pruebas.serse.mx/sistemaserse/app/Imports/FirstSheetQualitasImport.php:12 Stack trace: #0 {main} thrown in /home/grupssmx/public_html/pruebas.serse.mx/sistemaserse/app/Imports/FirstSheetQualitasImport.php on line 12