Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/uconline/public_html/ucg.uconline.mx/database/migrations/2025_05_09_120727_add_exam_cols_to_survey_fields_table.php:8 Stack trace: #0 {main} thrown in /home/uconline/public_html/ucg.uconline.mx/database/migrations/2025_05_09_120727_add_exam_cols_to_survey_fields_table.php on line 8