Fatal error: Uncaught Error: Class "Drupal\migrate_tools\MigrateExecutable" not found in /home/www/drupal8/test/modules/migrate_tools/src/MigrateBatchExecutable.php:13 Stack trace: #0 {main} thrown in /home/www/drupal8/test/modules/migrate_tools/src/MigrateBatchExecutable.php on line 13