WARNING(2): "mysql_connect(): Headers and client library minor version mismatch. Headers:100337 Library:30120"

WARNING(2): "session_start(): Cannot send session cookie - headers already sent by (output started at /home/silentp1/public_html/shop/gm/classes/ErrorHandler.php:386)"

WARNING(2): "session_start(): Cannot send session cache limiter - headers already sent (output started at /home/silentp1/public_html/shop/gm/classes/ErrorHandler.php:386)"

WARNING(2): "Cannot modify header information - headers already sent by (output started at /home/silentp1/public_html/shop/gm/classes/ErrorHandler.php:386)"