hot to fix this in wordpress

Question

Warning: Cannot modify header information - headers already sent by (output started at /home/adminhadith/public_html/wp-content/plugins/mechanic-visitor-counter/wp-statsmechanic.php:1) in /home/adminhadith/public_html/wp-includes/pluggable.php on line 1174

Answer 1

Try to add ob_start(); top of wp-config.php file

<?php
ob_start();