}
if (!ttValidEmail($cl_email, true)) $err->add($i18n->getKey('error.field'), $i18n->getKey('label.email'));
if (!ttValidFloat($cl_rate, true)) $err->add($i18n->getKey('error.field'), $i18n->getKey('form.users.default_rate'));
+ // Require selection of a client for a client role.
+ if ($user->isPluginEnabled('cl') && $cl_role == ROLE_CLIENT && !$cl_client_id) $err->add($i18n->getKey('error.client'));
if ($err->no()) {
$existing_user = ttUserHelper::getUserByLogin($cl_login);