1366 - Incorrect integer value: '' for column `mapshopatlogis`.`whos_online`.`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', '0714c53ef8ed807f7af8bdc2d3dbbadd', '216.73.216.191', '1758154596', '1758154596', '/product_info.php/info/p2642_Venezuela-Relief-Map.html')

[XT SQL Error]