Fatal error: Uncaught Error: Call to a member function field() on null in C:\OSPanel\domains\lib.mdomoi.uz\vendor\yiisoft\yii2-gii\generators\controller\form.php:6 Stack trace: #0 {main} thrown in C:\OSPanel\domains\lib.mdomoi.uz\vendor\yiisoft\yii2-gii\generators\controller\form.php on line 6