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', 'a97025fb58775c472b9c2726688b6765', '3.89.56.228', '1711644913', '1711644913', '/product_info.php/info/p2970_Benin-Reliefkarte.html')

[XT SQL Error]