Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /opt/lampp/htdocs/kuesioner/database/migrations/2018_12_31_105713_create_form_collaborators_table.php:7 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/database/migrations/2018_12_31_105713_create_form_collaborators_table.php on line 7