Доброго дня в интернете нарыл но там написано всего лишь как убрать сообщения об ошибке но я бы хотел полностью устранить ее! прошу помощи!
вот ошибка
[03-May-2015 16:28:45 Europe/Minsk] PHP Strict Standards: Declaration of FrontendApp::jslang() should be compatible with ECBaseApp::jslang($lang) in frontend.base.php on line 330

вот код от начало до 330 строки

<?php

class FrontendApp extends ECBaseApp
{
    function __construct()
    {
        $this->FrontendApp();
    }
    function FrontendApp()
    {
        Lang::load(lang_file('common'));
        Lang::load(lang_file(APP));
        parent::__construct();

    
        if (!Conf::get('site_status'))
        {
            $this->show_warning(Conf::get('closed_reason'));
            exit;
        }
   
    }
    function _config_view()
    {
        parent::_config_view();
        $this->_view->template_dir  = ROOT_PATH . '/themes';
        $this->_view->compile_dir   = ROOT_PATH . '/temp/compiled/mall';
        $this->_view->res_base      = SITE_URL . '/themes';
        $this->_config_seo(array(
            'title' => Conf::get('site_title'),
            'description' => Conf::get('site_description'),
            'keywords' => Conf::get('site_keywords')
        ));
    }
    function display($tpl)
    {
	$Conf = new Conf();
        $cart =& m('cart');
        $this->assign('cart_goods_kinds', $cart->get_kinds(SESS_ID, $this->visitor->get('user_id')));
        $this->assign('navs', $this->_get_navs());  // 
        $this->assign('acc_help', ACC_HELP);        // code
        $this->assign('site_title', $Conf->get('site_title'));
        $this->assign('site_logo', $Conf->get('site_logo'));
        $this->assign('statistics_code', $Conf->get('statistics_code')); // 
        $current_url = explode('/', $_SERVER['REQUEST_URI']);
        $count = count($current_url);
        $this->assign('current_url',  $count > 1 ? $current_url[$count-1] : $_SERVER['REQUEST_URI']);// ()
        parent::display($tpl);
    }
    function login()
    {
        if ($this->visitor->has_login)
        {
            $this->show_warning('has_login');

            return;
        }
        if (!IS_POST)
        {
            if (!empty($_GET['ret_url']))
            {
                $ret_url = trim($_GET['ret_url']);
            }
            else
            {
                if (isset($_SERVER['HTTP_REFERER']))
                {
                    $ret_url = $_SERVER['HTTP_REFERER'];
                }
                else
                {
                    $ret_url = SITE_URL . '/index.php';
                }
            }
    
            $ret_url = strtolower($ret_url);            
            if (str_replace(array('act=login', 'act=logout',), '', $ret_url) != $ret_url)
            {
                $ret_url = SITE_URL . '/index.php';
            }

            if (Conf::get('captcha_status.login'))
            {
                $this->assign('captcha', 1);
            }
            $this->import_resource(array('script' => 'jquery.plugins/jquery.validate.js'));
            $this->assign('ret_url', rawurlencode($ret_url));
            $this->_curlocal(LANG::get('user_login'));
            $this->_config_seo('title', Lang::get('user_login') . ' - ' . Conf::get('site_title'));
            $this->display('login.html');

            if (!empty($_GET['synlogout']))
            {
                $ms =& ms();
                echo $synlogout = $ms->user->synlogout();
            }
        }
        else
        {
            if (Conf::get('captcha_status.login') && base64_decode($_SESSION['captcha']) != strtolower($_POST['captcha']))
            {
                $this->show_warning('captcha_failed');

                return;
            }

            $user_name = trim($_POST['user_name']);
            $password  = $_POST['password'];

            $ms =& ms();
            $user_id = $ms->user->auth($user_name, $password);
            if (!$user_id)
            {
 
                $this->show_warning($ms->user->get_error());

                return;
            }
            else
            {
      
                $this->_do_login($user_id);

           
                $synlogin = $ms->user->synlogin($user_id);
            }

            $this->show_message(Lang::get('login_successed') . $synlogin,
                'back_before_login', rawurldecode($_POST['ret_url']),
                'enter_member_center', 'index.php?app=member'
            );
        }
    }

    function pop_warning ($msg, $dialog_id = '',$url = '')
    {
        if($msg == 'ok')
        {
            if(empty($dialog_id))
            {
                $dialog_id = APP . '_' . ACT;
            }
            if (!empty($url))
            {
                echo "<script type='text/javascript'>window.parent.location.href='".$url."';</script>";
            }
            echo "<script type='text/javascript'>window.parent.js_success('" . $dialog_id ."');</script>";
        }
        else
        {
            header("Content-Type:text/html;charset=".CHARSET);
            $msg = is_array($msg) ? $msg : array(array('msg' => $msg));
            $errors = '';
            foreach ($msg as $k => $v)
            {
                $error = $v[obj] ? Lang::get($v[msg]) . " [" . Lang::get($v[obj]) . "]" : Lang::get($v[msg]);
                $errors .= $errors ? "<br />" . $error : $error;
            }
            echo "<script type='text/javascript'>window.parent.js_fail('" . $errors . "');</script>";
        }
    }

    function logout()
    {
        $this->visitor->logout();

      
        header("Location: index.php?app=member&act=login&synlogout=1");
        return;
    }

 
    function _do_login($user_id)
    {
        $mod_user =& m('member');

        $user_info = $mod_user->get(array(
            'conditions'    => "user_id = '{$user_id}'",
            'join'          => 'has_store',                 
            'fields'        => 'user_id, user_name, reg_time, last_login, last_ip, store_id',
        ));

 
        $my_store = empty($user_info['store_id']) ? 0 : $user_info['store_id'];

     
        //unset($user_info['store_id']);


        $this->visitor->assign($user_info);

    
        $mod_user->edit("user_id = '{$user_id}'", "last_login = '" . gmtime()  . "', last_ip = '" . real_ip() . "', logins = logins + 1");


        $mod_cart =& m('cart');
        $mod_cart->edit("(user_id = '{$user_id}' OR session_id = '" . SESS_ID . "') AND store_id <> '{$my_store}'", array(
            'user_id'    => $user_id,
            'session_id' => SESS_ID,
        ));

 
        $cart_items = $mod_cart->find(array(
            'conditions'    => "user_id='{$user_id}' GROUP BY spec_id",
            'fields'        => 'COUNT(spec_id) as spec_count, spec_id, rec_id',
        ));
        if (!empty($cart_items))
        {
            foreach ($cart_items as $rec_id => $cart_item)
            {
                if ($cart_item['spec_count'] > 1)
                {
                    $mod_cart->drop("user_id='{$user_id}' AND spec_id='{$cart_item['spec_id']}' AND rec_id <> {$cart_item['rec_id']}");
                }
            }
        }
    }


    function _get_navs()
    {
        $cache_server =& cache_server();
        $key = 'common.navigation';
        $data = $cache_server->get($key);
        if($data === false)
        {
            $data = array(
                'header' => array(),
                'middle' => array(),
                'footer' => array(),
            );
            $nav_mod =& m('navigation');
            $rows = $nav_mod->find(array(
                'order' => 'type, sort_order',
            ));
            foreach ($rows as $row)
            {
                $data[$row['type']][] = $row;
            }
            $cache_server->set($key, $data, 86400);
        }

        return $data;
    }

 
    function jslang()
    {
        $lang = Lang::fetch(lang_file('jslang'));
        parent::jslang($lang);
    }


    function display_widgets($options)
    {
        $area = isset($options['area']) ? $options['area'] : '';
        $page = isset($options['page']) ? $options['page'] : '';
        if (!$area || !$page)
        {
            return;
        }
        include_once(ROOT_PATH . '/includes/widget.base.php');

    
        $widgets = get_widget_config($this->_get_template_name(), $page);

    
        if (!isset($widgets['config'][$area]))
        {
            return;
        }

     
        foreach ($widgets['config'][$area] as $widget_id)
        {
            $widget_info = $widgets['widgets'][$widget_id];
            $wn     =   $widget_info['name'];
            $options=   $widget_info['options'];

            $widget =& widget($widget_id, $wn, $options);
            $widget->display();
        }
    }

    
    function _get_template_name()
    {
        return 'default';
    }


    function _get_style_name()
    {
        return 'default';
    }


    function _curlocal($arr)
    {
        $curlocal = array(array(
            'text'  => Lang::get('index'),
            'url'   => SITE_URL . '/index.php',
        ));
        if (is_array($arr))
        {
            $curlocal = array_merge($curlocal, $arr);
        }
        else
        {
            $args = func_get_args();
            if (!empty($args))
            {
                $len = count($args);
                for ($i = 0; $i < $len; $i += 2)
                {
                    $curlocal[] = array(
                        'text'  =>  $args[$i],
                        'url'   =>  $args[$i+1],
                    );
                }
            }
        }

        $this->assign('_curlocal', $curlocal);
    }
    function _init_visitor()
    {
        $this->visitor =& env('visitor', new UserVisitor());
    }
}

так же нагуглил что данная ошибка может вылезти из за того что не одинаковое количество параметров в функциях но не понимаю где рыть эти самые параметры