Please read the
Fatal error: Uncaught Error: Class 'yii\helpers\Html' not found in /mnt/www/fawu_headquarters/vendor/yiisoft/yii2-gii/generators/extension/form.php:8 Stack trace: #0 {main} thrown in /mnt/www/fawu_headquarters/vendor/yiisoft/yii2-gii/generators/extension/form.php on line 8