Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\database\migrations\2021_12_02_122841_drop_registration_unique.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\database\migrations\2021_12_02_122841_drop_registration_unique.php on line 8