Вызов неизвестного метода: yii2mod \ cms \ controllers \ CmsController :: setInstance ()

Я не понимаю, почему эта ошибка возникает.

получить ошибку при вызове cms
http://localhost/yii-cms/web/cms

Вызов неизвестного метода: yii2mod\cms\controllers\CmsController::setInstance()

я пытаюсь использовать yii2-cms

cmsController

   <?php

namespace yii2mod\cms\controllers;

use Yii;
use yii2mod\cms\models\CmsModel;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii2mod\cms\models\search\CmsModelSearch;
use yii2mod\editable\EditableAction;
use yii2mod\toggle\actions\ToggleAction;

/**
* Class CmsController
* @package yii2mod\cms\controllers
*/
class CmsController extends Controller
{
/**
* @var string view path
*/
public $viewPath = '@vendor/yii2mod/yii2-cms/views/cms/';

/**
* @inheritdoc
*/
public function behaviors()
{
return [
'verbs' => [
'class' => VerbFilter::className(),
'actions' => [
'index' => ['get'],
'create' => ['get', 'post'],
'update' => ['get', 'post'],
'delete' => ['post']
],
]
];
}

/**
* @inheritdoc
*/
public function actions()
{
return [
'edit-page' => [
'class' => EditableAction::className(),
'modelClass' => CmsModel::className(),
'forceCreate' => false
],
'toggle' => [
'class' => ToggleAction::className(),
'modelClass' => CmsModel::className(),
]
];
}

/**
* Lists all CmsModel models.
* @return mixed
*/
public function actionIndex()
{
$searchModel = new CmsModelSearch();
$dataProvider = $searchModel->search(Yii::$app->request->queryParams);

return $this->render($this->viewPath . 'index', [
'dataProvider' => $dataProvider,
'searchModel' => $searchModel
]);
}

/**
* Creates a new CmsModel model.
* If creation is successful, the browser will be redirected to the 'view' page.
* @return mixed
*/
public function actionCreate()
{
$model = new CmsModel();

if ($model->load(Yii::$app->request->post()) && $model->save()) {
Yii::$app->session->setFlash('success', Yii::t('yii2mod.cms', 'Page has been created.'));
return $this->redirect(['index']);
}

return $this->render($this->viewPath . 'create', [
'model' => $model,
]);
}

/**
* Updates an existing CmsModel model.
* If update is successful, the browser will be redirected to the 'view' page.
*
* @param integer $id
*
* @return mixed
*/
public function actionUpdate($id)
{
$model = $this->findModel($id);

if ($model->load(Yii::$app->request->post()) && $model->save()) {
Yii::$app->session->setFlash('success', Yii::t('yii2mod.cms', 'Page has been updated.'));
return $this->redirect(['index']);
}
return $this->render($this->viewPath . 'update', [
'model' => $model,
]);
}

/**
* Deletes an existing CmsModel model.
* If deletion is successful, the browser will be redirected to the 'index' page.
*
* @param integer $id
*
* @return mixed
*/
public function actionDelete($id)
{
$this->findModel($id)->delete();
Yii::$app->session->setFlash('success', Yii::t('yii2mod.cms', 'Page has been deleted.'));
return $this->redirect(['index']);
}

/**
* Finds the CmsModel model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
*
* @param integer $id
*
* @return CmsModel the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = CmsModel::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException(Yii::t('yii2mod.cms', 'The requested page does not exist.'));
}
}

}