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', 'e0b127af786bcba867534171783bbb7d', '54.197.64.207', '1711620584', '1711620584', '/index.php/cat/c30_Countries.html/page/6')

[XT SQL Error]