View file PF.Base/install/include/version/3.3.0beta2.php
<?php
$this->_upgradeDatabase('3.3.0beta2');
$this->_db()->update(Phpfox::getT('user_group_setting'), array('is_hidden' => '1'), 'name = \'allow_delete_every_message\'');
$this->_db()->update(Phpfox::getT('user_group_setting'), array('is_hidden' => '1'), 'name = \'can_use_privacy_settings\'');
$bCompleted = true;
?>