1366 - Incorrect integer value: '' for column `pella-ware`.`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', '3589c7aca10365c9d3b4c71414fb79c5', '3.81.222.152', '1711667072', '1711667072', '/shop_content.php?language=en&coID=2')

[XT SQL Error]