Error message

• Warning: Invalid argument supplied for foreach() in Drupal\acquia_search\PreferredSearchCoreService->getPreferredCore() (line 85 of /var/www/html/docroot/sites/all/modules/contrib/acquia_connector/acquia_search/src/PreferredSearchCoreService.php).
• Warning: Invalid argument supplied for foreach() in Drupal\acquia_search\PreferredSearchCoreService->getPreferredCore() (line 85 of /var/www/html/docroot/sites/all/modules/contrib/acquia_connector/acquia_search/src/PreferredSearchCoreService.php).