Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/edmedu/www/edmclass.com.bak/edmclass-admin/database/migrations/board/2023_10_23_162014_create_attachments_table.php:7 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com.bak/edmclass-admin/database/migrations/board/2023_10_23_162014_create_attachments_table.php on line 7