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', '8187b4b3a6554d25b6ad47720668d5e6', '3.92.1.156', '1711724928', '1711724928', '/product_info.php/language/de/info/p1685_Equatorial-Guinea-Satellite-Image.html')

[XT SQL Error]