Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\database\migrations\2017_12_10_020754_add_foreign_keys_to_history_table.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\database\migrations\2017_12_10_020754_add_foreign_keys_to_history_table.php on line 20