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', 'd3uh2fall8avn1at2pefct06r2', '18.222.197.93', '1748440987', '1748440987', '/index.php')

[XT SQL Error]