Trying to get property 'link' of non-object
#0 /var/www/da-info.pro/frontend/widgets/views/recommend.php(104): yii\base\ErrorHandler->handleError() #1 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(347): require('/var/www/da-inf...') #2 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile() #3 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile() #4 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Widget.php(242): yii\base\View->render() #5 /var/www/da-info.pro/frontend/widgets/ShowRightRecommend.php(44): yii\base\Widget->render() #6 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Widget.php(146): frontend\widgets\ShowRightRecommend->run() #7 /var/www/da-info.pro/frontend/modules/board/views/default/index.php(127): yii\base\Widget::widget() #8 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(347): require('/var/www/da-inf...') #9 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile() #10 /var/www/da-info.pro/vendor/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile() #11 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Controller.php(407): yii\base\View->render() #12 /var/www/da-info.pro/frontend/modules/board/controllers/DefaultController.php(141): yii\base\Controller->render() #13 [internal function]: frontend\modules\board\controllers\DefaultController->actionCategoryAds() #14 /var/www/da-info.pro/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array() #15 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams() #16 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Module.php(552): yii\base\Controller->runAction() #17 /var/www/da-info.pro/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction() #18 /var/www/da-info.pro/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest() #19 /var/www/da-info.pro/frontend/web/index.php(20): yii\base\Application->run() #20 {main}An internal server error occurred.