FB Lib Error with New 3.4.1 WP 3.19 CP lib/fb/facebook.php on line 37
[29-Jun-2012 22:38:01] PHP Warning: session_start() [<a href='function.session-start'>function.session-start</a>]: Cannot send session cache limiter - headers already sent in /home/xxxxx/public_html/
wp-content/themes/classipress3.16/includes/lib/fb/facebook.php on line 37
[29-Jun-2012 23:38:01] PHP Warning: session_start() [<a href='function.session-start'>function.session-start</a>]: Cannot send session cookie - headers already sent in /home/xxxxpublic_html/
wp-content/themes/classipress3.16/includes/lib/fb/facebook.php on line 37
[29-Jun-2012 23:38:01] PHP Warning: session_start() [<a href='function.session-start'>function.session-start</a>]: Cannot send session cache limiter - headers already sent in /home/xxxxx/public_html/
wp-content/themes/classipress3.16/includes/lib/fb/facebook.php on line 37
Is this a plug in or? found it in error log