Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/uconline/public_html/uca.uconline.mx/database/migrations/2023_08_31_150247_add_grade_periodicity_to_cycles_table.php:7 Stack trace: #0 {main} thrown in /home/uconline/public_html/uca.uconline.mx/database/migrations/2023_08_31_150247_add_grade_periodicity_to_cycles_table.php on line 7