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', '6a16016ceb8f74ce590a9245c587417c', '3.146.152.99', '1714045598', '1714045598', '/product_info.php/info/p2995_Albanien-Reliefkarte.html')

[XT SQL Error]