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', 'b41c0e02a15a8c49090453e385243b35', '34.236.152.203', '1710843067', '1710843067', '/shop_content.php?coID=2')

[XT SQL Error]