Fatal error: Uncaught Error: Class 'Drupal\Core\Database\Database' not found in /home/filipfabiszak/public_html/drupal/core/modules/migrate_drupal/tests/fixtures/drupal7.php:12 Stack trace: #0 {main} thrown in /home/filipfabiszak/public_html/drupal/core/modules/migrate_drupal/tests/fixtures/drupal7.php on line 12