1366 - Incorrect integer value: '' for column `db110607`.`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', '4tspbg59d9am66bjdnl1ggcn51', '44.210.21.70', '1660280251', '1660280251', '/index.php')

[XT SQL Error]