Fatal error: Uncaught Error: Call to a member function getLink() on null in /sites/med-armtours.com/frontend/views/doctors/_list.php:29 Stack trace: #0 /sites/med-armtours.com/vendor/yiisoft/yii2/base/View.php(348): require() #1 /sites/med-armtours.com/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile('/sites/med-armt...', Array) #2 /sites/med-armtours.com/vendor/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile('/sites/med-armt...', Array, NULL) #3 /sites/med-armtours.com/vendor/yiisoft/yii2/widgets/ListView.php(191): yii\base\View->render('_list', Array) #4 /sites/med-armtours.com/vendor/yiisoft/yii2/widgets/ListView.php(124): yii\widgets\ListView->renderItem(Object(frontend\models\search\DoctorSearch), 6, 5) #5 /sites/med-armtours.com/vendor/yiisoft/yii2/widgets/BaseListView.php(160): yii\widgets\ListView->renderItems() #6 /sites/med-armtours.com/vendor/yiisoft/yii2/widgets/BaseListView.php(135): yii\widgets\BaseListView->renderSection('{items}') #7 [internal function]: yii\widgets\BaseListV in /sites/med-armtours.com/frontend/views/doctors/_list.php on line 29