站长，我给我同事配上用户后，再访问首页就报：
Fatal error: Call to undefined method JModel::getInstance() in E:\xampp\htdocs\nswiki\modules\mod_featcats\helper.php on line 85
这个牵扯到php方面了，不知道怎么解决？以前没有报过这个错啊。
EasyCalcCheck Plus - Warning: The form was not found, because the template uses overrides. Please adjust the search string for the form in the file easycalccheckplus.php or delete the overrides in templates/yourtemplate/html!
