Error message when no config in directory

When there is no storage in the config directory and you click on sync, then the following error appears. Would be better to show a message saying that no config was found.

Notice: Undefined index: tracked in configuration_sync_configurations_submit() (line 680 of /Applications/XAMPP/xamppfiles/htdocs/stat/sites/all/modules/contrib/configuration/ui/configuration_ui.admin.inc).
Warning: array_keys() expects parameter 1 to be array, null given in configuration_sync_configurations_submit() (line 680 of /Applications/XAMPP/xamppfiles/htdocs/stat/sites/all/modules/contrib/configuration/ui/configuration_ui.admin.inc).
Notice: Undefined index: modules in configuration_sync_configurations_submit() (line 681 of /Applications/XAMPP/xamppfiles/htdocs/stat/sites/all/modules/contrib/configuration/ui/configuration_ui.admin.inc).
Warning: Invalid argument supplied for foreach() in Drupal\configuration\Config\ConfigurationManagement::discoverRequiredModules() (line 137 of /Applications/XAMPP/xamppfiles/htdocs/stat/sites/all/modules/contrib/configuration/lib/Drupal/configuration/Config/ConfigurationManagement.php).
Warning: Invalid argument supplied for foreach() in Drupal\configuration\Config\ConfigurationManagement::importToActiveStore() (line 273 of /Applications/XAMPP/xamppfiles/htdocs/stat/sites/all/modules/contrib/configuration/lib/Drupal/configuration/Config/ConfigurationManagement.php).
Warning: Invalid argument supplied for foreach() in Drupal\configuration\Config\ConfigurationManagement::exportToDataStore() (line 336 of /Applications/XAMPP/xamppfiles/htdocs/stat/sites/all/modules/contrib/configuration/lib/Drupal/configuration/Config/ConfigurationManagement.php).