Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\upcom\app\Views\Admin\brandAdd.view.php:1) in C:\xampp\htdocs\upcom\app\lib\Helper.php on line 9 code example

Example: Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\heermatka\myprofile.php:48) in C:\xampp\htdocs\heermatka\myprofile.php on line 144

ob_start();
Please paste top on the page.