Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in E:\xampp\htdocs\webhost_v2\database\migrations\2023_10_17_143656_add_data_to_un_files.php:7 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v2\database\migrations\2023_10_17_143656_add_data_to_un_files.php on line 7