Почему выдаёт ошибку «отсутствуют обязательные параметры: id»?

Здравствуйте, я понимаю что ошибка возникла из-за путаницы переменных, хотя это мои предположения.. Дело в том, что данная ошибка возникла в обновлении и в просмотре: update и view. Я уже всё испробовала.. Ткните пожалуйста носом где я ошиблась?

Контроллер:
<?php

namespace app\modules\admin\controllers;

use app\modules\admin\models\FaqLang;
use Yii;
use app\modules\admin\models\Faq;
use app\modules\admin\models\FaqSearch;
use yii\base\Model;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;

/**
 * FaqsController implements the CRUD actions for Faq model.
 */
class FaqsController extends Controller
{
    /**
     * {@inheritdoc}
     */
    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => ['POST'],
                ],
            ],
        ];
    }

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

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

    /**
     * Displays a single Faq model.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionView($id)
    {
        return $this->render('view', [
            'faq' => $this->findModel($id),
        ]);
    }

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

        if ($faq->load(Yii::$app->request->post()) && $faqLang->load(Yii::$app->request->post()) && Model::validateMultiple([$faq, $faqLang]))
        {
            $faqLang->save(false);
            $faq->faq_id = $faq->id;
            $faq->save(false);
            return $this->redirect(['view', 'id' => $faq->id]);
        }

        return $this->render('create', [
            'faqLang' => $faqLang,
            'faq' => $faq,
        ]);
    }

    /**
     * Updates an existing Faq model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionUpdate($id)
    {
        $faq = FaqLang::findOne($id);
        $faqLang = Faq::findOne($faq->faq_id);

        if ($faq->load(Yii::$app->request->post()) && $faqLang->load(Yii::$app->request->post()) && Model::validateMultiple([$faq, $faqLang]))
        {
            $faqLang->save(false);
            $faq->save(false);

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

        return $this->render('update', [
            'faq' => $faq,
            'faqLang' => $faqLang,
        ]);
    }

    /**
     * Deletes an existing Faq model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id
     * @return mixed
     * @throws NotFoundHttpException if the model cannot be found
     */
    public function actionDelete($id)
    {
        $id_ = FaqLang::findOne($id)->faq_id;
        Faq::findOne($id)->delete();
        Faq::findOne($id_)->delete();

        return $this->redirect(['index']);
    }

    /**
     * Finds the Faq model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * @param integer $id
     * @return FaqLang
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        if (($faq = FaqLang::findOne($id)) !== null) {
            return $faq;
        }

        throw new NotFoundHttpException(Yii::t('app', 'The requested page does not exist.'));
    }
}


index.php

<?php

use yii\helpers\Html;
use yii\grid\GridView;

/* @var $this yii\web\View */
/* @var $searchModel app\modules\admin\models\FaqSearch */
/* @var $dataProvider yii\data\ActiveDataProvider */

$this->title = Yii::t('app', 'Faqs');
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="faq-index">

    <h1><?= Html::encode($this->title) ?></h1>
    <?php // echo $this->render('_search', ['model' => $searchModel]); ?>

    <p>
        <?= Html::a(Yii::t('app', 'Create Faq'), ['create'], ['class' => 'btn btn-success']) ?>
    </p>

    <?= GridView::widget([
        'dataProvider' => $dataProvider,
        'filterModel' => $searchModel,
        'columns' => [
            ['class' => 'yii\grid\SerialColumn'],

            ['attribute' => 'name', 'value' => 'faqLang.name'],
            ['attribute' => 'body', 'value' => 'faqLang.body:ntext'],
            'put_date',
            ['class' => 'yii\grid\ActionColumn'],
        ],
    ]); ?>
</div>


view.php

<?php

use yii\helpers\Html;
use yii\widgets\DetailView;

/* @var $this yii\web\View */
/* @var $faqLang app\modules\admin\models\Faq */
/* @var $faq app\modules\admin\models\FaqLang */

//$this->title = $faq->id;
$this->params['breadcrumbs'][] = ['label' => Yii::t('app', 'Faqs'), 'url' => ['index']];
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="faq-view">

    <h1><?= Html::encode($this->title) ?></h1>

    <p>
        <?= Html::a(Yii::t('app', 'Update'), ['update', 'id' => $faq->id], ['class' => 'btn btn-primary']) ?>
        <?= Html::a(Yii::t('app', 'Delete'), ['delete', 'id' => $faq->id], [
            'class' => 'btn btn-danger',
            'data' => [
                'confirm' => Yii::t('app', 'Are you sure you want to delete this item?'),
                'method' => 'post',
            ],
        ]) ?>
    </p>

    <?= DetailView::widget([
        'faq' => $faq,
        'attributes' => [
            'id',
            ['attribute' => 'name', 'value' => 'faqLang.name'],
            ['attribute' => 'body', 'value' => 'faqLang.body:ntext'],
            'put_date',
            [
                'attribute' => 'hide',
                'format' => 'html',
                'value' => function($model) {
                    if($model->hide == 'show')
                        return 'Нет';
                    else
                        return 'Да';
                }
            ],
        ],
    ]) ?>

</div>


update.php

<?php

use yii\helpers\Html;

/* @var $this yii\web\View */
/* @var $faqLang app\modules\admin\models\Faq */
/* @var $faq app\modules\admin\models\FaqLang */

$this->title = Yii::t('app', 'Update Faq: ' . $faq->id, [
    'nameAttribute' => '' . $faq->id,
]);
$this->params['breadcrumbs'][] = ['label' => Yii::t('app', 'Faqs'), 'url' => ['index']];
$this->params['breadcrumbs'][] = ['label' => $faq->id, 'url' => ['view', 'id' => $faq->id]];
$this->params['breadcrumbs'][] = Yii::t('app', 'Update');
?>
<div class="faq-update">

    <h1><?= Html::encode($this->title) ?></h1>

    <?= $this->render('_form', [
        'faq' => $faq,
        'faqLang' => $faqLang,
    ]) ?>

</div>


create.php

<?php

use yii\helpers\Html;


/* @var $this yii\web\View */
/* @var $faqLang app\modules\admin\models\Faq */
/* @var $faq app\modules\admin\models\FaqLang */

$this->title = Yii::t('app', 'Create Faq');
$this->params['breadcrumbs'][] = ['label' => Yii::t('app', 'Faqs'), 'url' => ['index']];
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="faq-create">

    <h1><?= Html::encode($this->title) ?></h1>

    <?= $this->render('_form', [
        'faq' => $faq,
        'faqLang' => $faqLang,
    ]) ?>

</div>


form.php

<?php

use yii\helpers\Html;
use yii\widgets\ActiveForm;
use yii\jui\DatePicker;
use mihaildev\ckeditor\CKEditor;

/* @var $this yii\web\View */
/* @var $faqLang app\modules\admin\models\Faq */
/* @var $faq app\modules\admin\models\FaqLang */
/* @var $form yii\widgets\ActiveForm */
?>

<div class="faq-form">

    <?php $form = ActiveForm::begin(); ?>

    <?= $form->field($faq, 'name')->textInput(['maxlength' => true]) ?>

    <?= $form->field($faq, 'body')->widget(CKEditor::className(),[
        'editorOptions' => [
            'preset' => 'full', //разработанны стандартные настройки basic, standard, full данную возможность не обязательно использовать
            'inline' => false, //по умолчанию false
        ],
    ]); ?>

    <?= $form->field($faqLang, 'put_date')->widget(DatePicker::class, [
        'language' => 'ru-RU',
        'dateFormat' => 'yyyy-MM-dd',
    ]) ?>

        <?= $form->field($faqLang, 'hide')->dropDownList([ 'show' => 'Отображать', 'hide' => 'Скрыто']) ?>

    <div class="form-group" style="margin-top: 46px;">
        <?= Html::submitButton($faqLang->isNewRecord ? 'Создать' : 'Редактировать', ['class' => $faqLang->isNewRecord ? 'btn btn-success' : 'btn btn-success']) ?>
    </div>

    <?php ActiveForm::end(); ?>

</div>
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