Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\pos\database\migrations\2018_06_21_094155_add_user_id_to_sales_table.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\pos\database\migrations\2018_06_21_094155_add_user_id_to_sales_table.php on line 7