1366 - Incorrect integer value: '' for column `hbl_shop`.`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', '4fa1m0urp6jagn0t8nvp3vdr24', '3.133.108.227', '1746767199', '1746767199', '/shop_content.php?coID=0')

[XT SQL Error]