Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\snipe-it\database\migrations\2015_09_09_195301_add_custom_css_to_settings.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it\database\migrations\2015_09_09_195301_add_custom_css_to_settings.php on line 6