Error Ref:
SQL ERROR: update whos_online set customer_id = '0', full_name = 'Guest', ip_address = '216.73.217.152', time_last_click = '1780997433', last_page_url = '/customer_survey.php' where session_id = ''
MySQL Error 1206: The total number of locks exceeds the lock table size
URI: /customer_survey.php