Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\WebServer\htdocs\bookshelf\database\migrations\2015_08_29_105422_add_roles_and_permissions.php:19 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\database\migrations\2015_08_29_105422_add_roles_and_permissions.php on line 19