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', 'b0fd7ea882cf496e521de32efbbe7593', '18.188.108.54', '1714018989', '1714018989', '/product_info.php?info=p248_Memory-Of-Spain.html&XTCsid=752467afa49d1c2decc281986e95df51')

[XT SQL Error]