Yii2 app\model\Db6TrxImportData not found - php

Question

I am new with Yii2 and i am having this error.
PHP Fatal Error – yii\base\ErrorException
Class 'app\models\Db6TrxImportData' not found
I have searched somewhere that you need to add
use app\models\Db6TrxImportData;
i have already added this to my controller but still get the same error. I am noob in yii2.. please help. This is my code.
<?php
namespace app\modules\dtv\controllers;
use Yii;
use yii\filters\AccessControl;
use yii\web\Controller;
use app\components\helpers\User;
use app\components\helpers\Data;
use app\models\Db6TrxImportData;
class ManageController extends \yii\web\Controller
{
// Properties
public $layout = '/registerLayout';
public $breadcrumbItems;
public $breadcrumbHomeItems;
public $route_nav = 'dtv/manage/list';
public $viewPath = 'app/modules/dtv/views';
public function behaviors()
{
return [
'access' => [
'class' => AccessControl::className(),
'only' => ['list', 'delete'],
'rules' => [
[
'allow' => true,
'actions' => ['list', 'delete'],
'roles' => ['#'],
'matchCallback' => function ($rule, $action) {
$identity = User::initUser();
$feature = Yii::$app->params['Modules']['News Video Management'];
return User::hasAccess($identity, $feature);
},
],
],
'denyCallback' => function ($rule, $action) {
if (Yii::$app->user->isGuest) {
$this->goHome();
} else {
$this->redirect(['/dashboard']);
}
}
],
];
}
public function actions()
{
return [
'error' => [
'class' => 'yii\web\ErrorAction',
],
];
}
public function init()
{
if (Yii::$app->user->isGuest) {
$label = Yii::t('app', 'Login');
$url = '/login';
} else {
$label = Yii::t('app', 'Dashboard');
$url = '/dashboard';
}
$this->breadcrumbHomeItems = [
'label' => $label,
'url' => $url,
'template' => '<li>{link}</li> ',
];
}
public function actionList()
{
// Initialize Layout
$this->breadcrumbItems = [
Yii::t('app', 'Xml acquisition article list')
];
$identity = User::initUser();
$ownerId = User::getOwnerId($identity);
$dtvMovieModel = new Db6TrxImportData();
$params = [ 'owner' => $ownerId,
'status' => 'active',
'application' => 'menumaker'
];
$dtvMovie = $dtvMovieModel->getRecords($params);
return $this->render('list', [
'dtvMovie' => $dtvMovie
]);
}
}
?>
This is my Model
<?php
namespace app\models;
use Yii;
use yii\db\Query;
use app\components\helpers\User;
use app\components\helpers\Data;
class Db6TrxImportData extends \yii\db\ActiveRecord
{
public static function tableName()
{
return '_dtvdb.trx_import_data';
}
public static function getDb()
{
return Yii::$app->get('dtvdb');
}
public function rules()
{
return [
[['article_id', 'ctrl_flg', 'image_flg', 'video_flg', 'del_flg', 'news_cat', 'news_cat_cd', 'copyright', 'copyright_cd', 'title', 'article_text', 'zapping_text'], 'required'],
[['cx_create_date', 'cx_update_date', 'publish_date_from', 'publish_date_to', 'import_date', 'create_time', 'up_time'], 'safe'],
[['status'], 'string'],
[['article_id'], 'string', 'max' => 12],
[['ctrl_flg', 'image_flg', 'video_flg', 'del_flg'], 'string', 'max' => 1],
[['news_cat', 'news_sub_cat', 'disptach_type', 'copyright', 'lang'], 'string', 'max' => 100],
[['news_cat_cd', 'dispatch_cd', 'copyright_cd', 'lang_cd', 'article_status', 'zapping_status'], 'string', 'max' => 2],
[['news_sub_cat_cd'], 'string', 'max' => 4],
[['title', 'zapping_text'], 'string', 'max' => 300],
[['article_text'], 'string', 'max' => 1000],
[['comment'], 'string', 'max' => 500]
];
}
public function attributeLabels()
{
return [
'id' => 'ID',
'article_id' => 'Article ID',
'cx_create_date' => 'Cx Create Date',
'cx_update_date' => 'Cx Update Date',
'ctrl_flg' => 'Ctrl Flg',
'image_flg' => 'Image Flg',
'video_flg' => 'Video Flg',
'del_flg' => 'Del Flg',
'news_cat' => 'News Cat',
'news_cat_cd' => 'News Cat Cd',
'news_sub_cat' => 'News Sub Cat',
'news_sub_cat_cd' => 'News Sub Cat Cd',
'dispatch_cd' => 'Dispatch Cd',
'disptach_type' => 'Disptach Type',
'copyright' => 'Copyright',
'copyright_cd' => 'Copyright Cd',
'lang_cd' => 'Lang Cd',
'lang' => 'Lang',
'publish_date_from' => 'Publish Date From',
'publish_date_to' => 'Publish Date To',
'title' => 'Title',
'article_text' => 'Article Text',
'comment' => 'Comment',
'zapping_text' => 'Zapping Text',
'import_date' => 'Import Date',
'article_status' => 'Article Status',
'zapping_status' => 'Zapping Status',
'status' => 'Status',
'create_time' => 'Create Time',
'up_time' => 'Up Time',
];
}
public static function findByAttribute($arr)
{
foreach ($arr as $arrKey => $arrValue) {
$record = self::find()->where($arrKey.'=:'.$arrKey,[':'.$arrKey => $arrValue])->one();
}
return $record;
}
}