Error: Call to a member function getArticleComments() on null in /var/www/example.com/basic/controllers/SiteController.php:143
Stack trace:
#0 [internal function]: app\controllers\SiteController->actionView('85')
#1 /var/www/example.com/basic/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#2 /var/www/example.com/basic/vendor/yiisoft/yii2/base/Controller.php(157): yii\base\InlineAction->runWithParams(Array)
#3 /var/www/example.com/basic/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller->runAction('view', Array)
#4 /var/www/example.com/basic/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('site/view', Array)
#5 /var/www/example.com/basic/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#6 /var/www/example.com/basic/web/index.php(12): yii\base\Application->run()
#7 {main}