Issue: user profile now gives php error

$params = self::getParams('vw_profile_tab');

$params = self::getParams('vw_profile_tab', $templater);

$params = self::getParams('vw_usercp_nav');

$params = self::getParams('vw_usercp_nav', $templater);

	public static function getParams($templateName, $params)
	{
		if (!self::can_view($params))
		{
			return array();
		}

	public static function getParams($templateName, $params_or_templater)
	{
		if (!self::can_view($params_or_templater))
		{
			return array();
		}

		if (is_array($params_or_templater))
		{
			$params = $params_or_templater;
		}
		else
		{
			$params = array();
		}

Fatal error: Call to a member function getParams() on a non-object in /var/www/html/forum/library/vw/XenForo/Template/Hook/MemberView.php on line 59

                if (is_array($templater))
                {
                        $params =& $templater;
                }
                else
                {
                        $params = $templater->getParams();
                }

       public static function getParams($templateName, $params)
        {
                if (!self::can_view($params_or_templater))
                {
                        return array();
                }

                if (is_array($params_or_templater))
                {
                        $params = $params_or_templater;
                }
                else {
                        $params = array();
                }

                $params['vw_index'] = vw_Hard_Core::controller('Fetch')->get('Index', 0);

                if ($templateName == 'vw_profile_interact' OR $templateName == 'vw_profile_stats')
                {
                        $params['vw_last'] = array('lastactivity' => $params['user']['vw_lastactivity']);
                        $params['vw_contributions'] = array();

                        vw_Hard_Core::model('Plugins/Profile')->prepare_profile_block($params['vw_last'], $params['vw_contributions']);
                }

                if ($templateName == 'vw_profile_interact')
                {
                        $params['vw_can_interact'] = (
                                !empty($params['vw_last']['itemid']) OR
                                !empty($params['vw_contributions'])
                        );
                }

                return $params;
        }
}