1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', 'ad8ad2dcdde5242a38f44f50c2220ffa', '18.204.56.185', '1659974611', '1659974611', '/products_new.php')

[XT SQL Error]