Fatal error: Uncaught Error: Interface "Maatwebsite\Excel\Concerns\FromView" not found in /home/uconline/public_html/ucg.uconline.mx/app/Exports/Operators/CurriculaTabulatorsByCycleExport.php:12 Stack trace: #0 {main} thrown in /home/uconline/public_html/ucg.uconline.mx/app/Exports/Operators/CurriculaTabulatorsByCycleExport.php on line 12