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', '3243c444887648c6ed292c17f6e8fe11', '3.85.9.208', '1711723963', '1711723963', '/product_info.php/info/p2710_Georgia-Reliefkarte.html')

[XT SQL Error]