Yii CGridView join table ไม่ได้ ขึ้น error เมื่อเอาขึ้น linux server ค่ะ

public function actionAdmin()
        {
        
        $model=new UserLogin('search');
        $model->unsetAttributes();  // clear any default values
    $dataProvider = new CActiveDataProvider('UserLogin', array( 
                                                
                                                'pagination' => array(
                        'pageSize' => 20, 
                    ),
                ));
  
                $this->render('admin', array(
                        'dataProvider'=>$dataProvider,'model'=>$model)
                          );
                
        }

$this->widget('zii.widgets.grid.CGridView', array(
                         'id'=>'user-login-grid',
                         //'data'=>$model,
                         'ajaxUpdate' => true,
                         'dataProvider'=>$dataProvider, 
                         'columns'=>array(
                                array(
                                        'name'=>'NAME',
                                        'header'=>'NAME',
                                        //'value'=>'$data["NAME"]'
                                        ),
                           array(
                                        'name'=>'FULL_NAME',
                                        'header'=>'FULL NAME',
                                        ),
                           array(
                                        'name'=>'EMAIL',
                                        'header'=>'EMAIL',
                                        ),  
                                array(
                                        'name'=>'A_NAME',
                                        'header'=>'GROUPNAME',
                                        'value'=>'$data->group->NAME',
                                        ),
                                array(
                                        'name'=>'LAST_LOGIN_DATE',
                                        'header'=>'LAST_LOGIN_DATE',
                                        ),
                                array(
                                        'name'=>'LAST_LOGIN_IP',
                                        'header'=>'LAST_LOGIN_IP',
                                        ),
                                        array(
                                        'class'=>'CButtonColumn',
                                        'template'=>'{update}  {delete}',
                                        // view,edit ,delete
                                        'buttons'=>array
                                (
                                'edit' => array
                                (
                                        'imageUrl'=>Yii::app()->request->baseUrl.'/images/edit.png',
                                ),
                                'deleted' => array
                                (
                                        'url'=>'Yii::app()->createUrl("edituser/deleted", array("id"=>$id))',
                                ),
                                ),
                                ),
                                                        ), 
                        ));   

public function relations()
        {
                return array(
                'group'=>array(self::BELONGS_TO, 'GROUPNAME', 'GROUPNAME_ID'),
                );
        }