Warning: Cannot modify header information - headers already sent by (output started at E:\Servers\Xampp\htdocs\society\banned.php:10) in E:\Servers\Xampp\htdocs\society\banned.php on line 175 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.