1366 - Incorrect integer value: '' for column 'customer_id' at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'hohob2ihkthnba6krlhpb8hpr0', '216.73.216.130', '1760915824', '1760915824', '/product_info.php?XTCsid=792dd2eece839333bab562194e3fb545&info=p7_Garland-13-feet.html')

[XT SQL Error]