After doing what you suggested i still get the following error
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /var/www/vhosts/mch-ok.com/httpdocs/Survery.php:1) in /var/www/vhosts/mch-ok.com/httpdocs/WA_ValidationToolkit/WAVT_ValidatedForm_PHP.php on line 1