Please read the
Fatal error: Uncaught Error: Class 'yii\helpers\Html' not found in C:\OSPanel\domains\lib.mdomoi.uz\vendor\yiisoft\yii2-gii\generators\extension\form.php:9 Stack trace: #0 {main} thrown in C:\OSPanel\domains\lib.mdomoi.uz\vendor\yiisoft\yii2-gii\generators\extension\form.php on line 9