Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/app/htdocs/ninja/database/migrations/2017_06_19_111515_update_dark_mode.php:6 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/database/migrations/2017_06_19_111515_update_dark_mode.php on line 6