haraldpdl
commented
7 years ago This isn't part of the core - it would be best to ask in the forums. For general "headers already sent" errors, you will need to edit the file specified in the error message and make sure no whitespace exists at the top of the file before the opening php tag <?php
Warning: Cannot modify header information - headers already sent by (output started at /www/htdocs/xxxxx/xxxxxxxxxxx.com/catalog/includes/modules/boxes/bm_featured.php:2) in /www/htdocs/v1316xxxxx/xxxxxxxxxxx.com/catalog/includes/functions/general.php on line 51
The Module is clean installed. Also a clean OSCommerce 2.3.4 Version