Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/demohost/hospital.demohost.in/database/migrations/2023_01_18_130141_add_operation_category_in_modules.php:6 Stack trace: #0 {main} thrown in /home/demohost/hospital.demohost.in/database/migrations/2023_01_18_130141_add_operation_category_in_modules.php on line 6