my api url is http://genuinecodes.com/testing/

right.js

my api url is http://genuinecodes.com/testing/ and using is on right.js but there is not working and console showing error
Uncaught TypeError: Cannot read property 'class' of undefined
    at Object.template (right.js:124)
    at HTMLTableCellElement.<anonymous> (scripts.bundle.js:1)
    at Function.each (vendors.bundle.js:1)
    at _.fn.init.each (vendors.bundle.js:1)
    at HTMLTableRowElement.<anonymous> (scripts.bundle.js:1)
    at Function.each (vendors.bundle.js:1)
    at _.fn.init.each (vendors.bundle.js:1)
    at Object.setupTemplateCell (scripts.bundle.js:1)
    at Object.insertData (scripts.bundle.js:1)
    at Object.l (scripts.bundle.js:1)

and code is inside file
$data = array
(
    '2' => array
        (
            'A' => 'User One',
            'B' => '9650934983',
            'C' => 'Hii',
            'D' => 'Create Material Design scrollable table based on Bootstrap grid. Vertical scrolling tbody, and thead is helpful when you need to display a lot of data. Responsive table with the independent scroll bar is a great solution!',
            'E' => '9650934983'
        ),

    '3' => array
        (
             'A' => 'User One',
            'B' => '9650934983',
            'C' => 'Hii',
            'D' => 'Create Material Design scrollable table based on Bootstrap grid. Vertical scrolling tbody, and thead is helpful when you need to display a lot of data. Responsive table with the independent scroll bar is a great solution!',
            'E' => '9650934983'
        ),

    '4' => array
        (
             'A' => 'User One',
            'B' => '9650934983',
            'C' => 'Hii',
            'D' => 'Create Material Design scrollable table based on Bootstrap grid. Vertical scrolling tbody, and thead is helpful when you need to display a lot of data. Responsive table with the independent scroll bar is a great solution!',
            'E' => '9650934983'
        )
       );
       $json = array(
			'meta'=>array(
				'page' => 1,
				'pages'=> 1,
				'perpage'=> -1,
				'total' => count($data),
				'sort' => 'asc',
				'field' => 'id'
			),
			'data' => $data
		);
		header('Content-Type: application/json');
		header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, PUT, POST, DELETE, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type, Content-Range, Content-Disposition, Content-Description');
		echo json_encode($json, JSON_PRETTY_PRINT);