In TranslatableMarkup.php line 132: $string ("1") must be a string.

When i am trying to enable config_translation module i am getting the following error. can you help any one.

An AJAX HTTP error occurred.
HTTP Result Code: 500
Debugging information follows.
Path: /batch?id=187&op=do_nojs&op=do
StatusText: 500 Service unavailable (with message)
ResponseText: The website encountered an unexpected error. Please try again later.InvalidArgumentException: $string ("1") must be a string. in Drupal\Core\StringTranslation\TranslatableMarkup->__construct() (line 132 of core/lib/Drupal/Core/StringTranslation/TranslatableMarkup.php). Drupal\locale\LocaleConfigManager->getTranslatableData(Object) (Line: 167)
Drupal\locale\LocaleConfigManager->getTranslatableData(Object) (Line: 167)
Drupal\locale\LocaleConfigManager->getTranslatableData(Object) (Line: 167)
Drupal\locale\LocaleConfigManager->getTranslatableData(Object) (Line: 167)

Thanks,
--Mani.