Forum broken ???

[Playa82]

i get this error message

Unable to add cookies, header already sent.
File: /customers/FORUMURL/FORUMURL/httpd.www/includes/functions.php
Line: 11839

what is that ?

any help ?

got 3.8.1 PL1 installed

[vbplusme]

It's probably whitespace in config.php before the <?php or after the ?>.

Or possibly a file you have recently modified