ChromePhp tab bug

ChromePhpbug.php

( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\rndsquare.com\profile-edit.php:35) in C:\xampp\htdocs\rndsquare.com\inc\ChromePhp.php on line 394
Call Stack
#	Time	Memory	Function	Location
1	0.0006	187872	{main}( )	...\profile-edit.php:0
2	0.0056	334032	ChromePhp::log( )	...\profile-edit.php:35
3	0.0056	334320	ChromePhp::_log( )	...\ChromePhp.php:161
4	0.0057	338832	ChromePhp->_addRow( )	...\ChromePhp.php:274
5	0.0057	339384	ChromePhp->_writeHeader( )	...\ChromePhp.php:389

From
<li><a href="#tab5" data-toggle="tab"><i class="fa fa-group"><?php ChromePhp::log($_SESSION); ?></i>  Positions</a></li>

But this fixes it

<li><?php ChromePhp::log($_SESSION); ?></i>  Positions</a></li>