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', '609469c45794bba8621a38b1f71bfccd', '3.145.186.173', '1714029250', '1714029250', '/product_info.php/language/de/info/p1772_Singapore-Satellite-Image.html')

[XT SQL Error]