Warning: Use of undefined constant YII_DEBUG - assumed 'YII_DEBUG' (this will throw an Error in a future version of PHP) in /var/www/html/config/web.php on line 41

Fatal error: Uncaught Error: Class 'yii\web\View' not found in /var/www/html/config/web.php:74 Stack trace: #0 {main} thrown in /var/www/html/config/web.php on line 74