Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/app/htdocs/ninja/database/migrations/2018_06_29_110607_add_dart_format_column.php:7 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/database/migrations/2018_06_29_110607_add_dart_format_column.php on line 7