Cannot declare class frontend\models\User, because the name is already in use

[m132418]

my config is
'modules' => [
'qa' => [
'class' => 'artkost\qa\Module',
'userNameFormatter' => 'getUserName'
],
],

error report as title.

error raised in this $answerDataProvider->models [vendor/artkost/yii2-qa/views/default/view.php]

[JiLiZART]

Can you provide more information?
What version you install.
Full stack trace or any additional information?

[m132418]

yii-advanced-app-2.0.12
user model :frontend/models/User.php
implements a method
public static function getUserName(){

    if (Yii::$app->user->isGuest)
        return "Guest" ;
    else
    {
        $data =  static::findOne(['id'=>Yii::$app->user->identity->getId(), 'status' => self::STATUS_ACTIVE]) ;
        return $data['username'];
    }
}

[m132418]

url :http://frontend.all1.dev/qa/default/view?id=1&alias=

PHP Compile Error – yii\base\ErrorException

Cannot declare class frontend\models\User, because the name is already in use

1. in G:\sites\2017-9\all1\frontend\models\User.php at line 23
   14151617181920212223242526272829303132 * @Property string $password_hash

• @Property string $password_reset_token

• @Property string $email

• @Property string $auth_key

• @Property integer $status

• @Property integer $created_at

• @Property integer $updated_at

• @Property string $password write-only password
  */
  class User extends ActiveRecord implements IdentityInterface
  {
  const STATUS_DELETED = 0;
  const STATUS_ACTIVE = 10;

  /**

  • @inheritdoc
    */
    public static function tableName()

2. yii\base\ErrorHandler::handleFatalError()
   Yii Framework
   2017-09-13, 02:25:04

nginx/1.11.5
Yii Framework/2.0.12

[m132418]

do you have wechat or QQ?