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', 'b6e6ad740db0debd3352b8bf75274d9b', '3.12.151.242', '1714068453', '1714068453', '/product_info.php?info=p298_Bei-uns-in-Bayern.html&XTCsid=937b7cb67e424972a37875d7d9fe8a0c')

[XT SQL Error]