2006 - MySQL server has gone away

update whos_online set customer_id = '', full_name = 'Guest', ip_address = '3.138.178.87', time_last_click = '1741005110', last_page_url = '/shop_content.php?XTCsid=0bcmdtr6tm1udasajd3b00ahf2&coID=4' where session_id = '2o3uaesh29l2om61tsnihuno54'

[XT SQL Error]