- Проверяем BaseForm

common/components/BaseForm.php

@@ -218,6 +218,7 @@ class BaseForm extends \yii\widgets\ActiveForm
     }
 
     public function initCustom($config) {
+        var_dump($config);
         ob_start();
         ob_implicit_flush(false);
         $form = ActiveForm::begin(ArrayHelper::merge(