Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at D:\youkeka.com\PHPClass\card.class.php:31) in D:\youkeka.com\web\buyCard.php on line 7

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at D:\youkeka.com\PHPClass\card.class.php:31) in D:\youkeka.com\web\buyCard.php on line 7