1366 - Incorrect integer value: '' for column `shop_db3`.`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', '86ef5f15465c6299e44cbafe2d1d6883', '18.188.168.28', '1714149797', '1714149797', '/product_info.php?info=p298_Bei-uns-in-Bayern.html&XTCsid=4a502cf522b059da09cfca377185d405')

[XT SQL Error]