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', 'd243f96ac0bc3ff0bb0fb17929ea1fbc', '216.73.216.121', '1751843254', '1751843254', '/index.php/cat/c35_Countries.html/page/3')

[XT SQL Error]