View file PF.Base/install/include/version/3.0.0rc1.php
<?php
$this->_upgradeDatabase('3.0.0rc1');
$this->_db()->update(Phpfox::getT('module'), array('is_core' => '1', 'is_active' => '1'), 'module_id ="friend"');
$bCompleted = true;
?>
<?php
$this->_upgradeDatabase('3.0.0rc1');
$this->_db()->update(Phpfox::getT('module'), array('is_core' => '1', 'is_active' => '1'), 'module_id ="friend"');
$bCompleted = true;
?>