Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in C:\xampp\htdocs\reservation\database\migrations\2019_06_16_130433_add_social_fields_to_users_table.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\reservation\database\migrations\2019_06_16_130433_add_social_fields_to_users_table.php on line 7