+ // TRANS: Client error displayed when requesting a list of blocked users for a group without providing a group nickname.
+ $this->clientError(_('No nickname.'), 404);
+ }
+
+ $local = Local_group::getKV('nickname', $nickname);
+
+ if (!$local) {
+ // TRANS: Client error displayed when requesting a list of blocked users for a non-local group.
+ $this->clientError(_('No such group.'), 404);