Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/uconline/public_html/pruebas.uconline.mx/database/migrations/2022_03_30_164106_create_academic_groups_table.php:9 Stack trace: #0 {main} thrown in /home/uconline/public_html/pruebas.uconline.mx/database/migrations/2022_03_30_164106_create_academic_groups_table.php on line 9