Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\database\migrations\2018_07_26_134739_create_app_config_table.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\database\migrations\2018_07_26_134739_create_app_config_table.php on line 7