Add missing configuration parameter for unified_multisite_dir when undefined.
File
-
advagg_mod/
advagg_mod.install, line 34
Code
function advagg_mod_update_8501() {
$config = \Drupal::configFactory()->getEditable('advagg_mod.settings');
if (!is_string($config->get('unified_multisite_dir'))) {
$config->set('unified_multisite_dir', '');
$config->save();
}
}