Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\database\migrations\2018_07_12_114125_add_soft_deletes_to_warnings.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\database\migrations\2018_07_12_114125_add_soft_deletes_to_warnings.php on line 21