สอบถามผู้ใช้งาน PHPEXCEL ออกรายงานเป็น excel ติดปัญหาเว็บ browser error connect

include 'PHPExcel_1.8.0_doc\Classes\PHPExcel\IOFactory.php';
include 'PHPExcel_1.8.0_doc\Classes\PHPExcel.php';

$excel2 = PHPExcel_IOFactory::createReader('excel5');
$excel2 = $excel2->load('file1.xls'); // Empty Sheet
$excel2->getActiveSheet()				    
		->setCellValue('AB4', 'xxx')
		->setCellValue('AB5', 'xxx')
		->setCellValue('AD5', 'xxx')
		->setCellValue('U6', 'xxx')
		->setCellValue('E10','xxx')
		->setCellValue('D16','xxx')
		->setCellValue('E16','xxx')
		->setCellValue('D31','xxx')
                ->setCellValue('P39','xxx');

$objWriter = PHPExcel_IOFactory::createWriter($excel2, 'Excel5');
$objWriter->save('newfile.xls');