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', 'ianj1onevdi6ad3msqbaiqshv2', '18.222.223.25', '1746789324', '1746789324', '/product_info.php?info=p57_800710-Ersatzrad-fuer-Bauschubkarre.html')

[XT SQL Error]