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', 'a15e872f04cb0e664918f19b5e14014a', '3.144.103.10', '1714089535', '1714089535', '/product_info.php/language/de/info/p1788_Cayman-Ins--Satellitenbild.html')

[XT SQL Error]