Drupal 8.6.4, 8.6.5, Drush 9.6.0-beta4
Websites with two languages.
1. Enable module via drush:
drush -y en devel
> [notice] Проверен перевод для проекта devel.
> [notice] Загружен перевод для devel.
> [notice] Импортированный перевод для devel.
> [error] TypeError: Argument 2 passed to Drupal\locale\LocaleConfigManager::filterOverride() must be of the type array, object given, called in .../web/core/modules/locale/src/LocaleConfigManager.php on line 636 in Drupal\locale\LocaleConfigManager->filterOverride() (line 629 of .../web/core/modules/locale/src/LocaleConfigManager.php) #0 .../web/core/modules/locale/src/LocaleConfigManager.php(636): Drupal\locale\LocaleConfigManager->filterOverride(Array, Object(Drupal\Core\StringTranslation\TranslatableMarkup))
2. Enable module via Drupal UI — crash in batch process:
Path: /batch?id=179&op=do_nojs&op=do
Status Text: OK
Response Text: TypeError: Argument 2 passed to Drupal\locale\LocaleConfigManager::filterOverride() must be of the type array, object given, called in .../web/core/modules/locale/src/LocaleConfigManager.php on line 636 in Drupal\locale\LocaleConfigManager->filterOverride() (line 629 of .../web/core/modules/locale/src/LocaleConfigManager.php).
Similar issue:
https://www.drupal.org/project/migrate_upgrade/issues/3013927