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', '9dc8d324606cf19ce0b6e2a0ce6a3df5', '3.149.233.72', '1714113563', '1714113563', '/product_info.php/language/de/info/p1561_United-Kingdom-Satellite-Image.html')

[XT SQL Error]