yii2 blank page issue in all crud create and update actions

hi, guys.

first, i’m sorry for my englihs)

I have problem as follow:

At the localhost everything ok.

But, at hosting after model save method, controller redirect method return blank page without any error.

my code here:

public function actionCreate()

{


    $model = new Project();





    $file = UploadedFile::getInstance($model, 'file');


    if ($model->load(Yii::$app->request->post()) && $model->save()) {


        if($file) {


            $path = 'uploads/projects/' . $file->baseName . '.' . $file->extension;


            $file->saveAs($path);


            $model->image = $path;


            $model->save(false);


        }


        return $this->redirect(['view', 'id' => $model->id]);


    } else {


        return $this->render('create', [


            'model' => $model,


        ]);


    }


}

But redirect method works normally outside model save() method.

Please help me. Thanks