1366 - Incorrect integer value: '' for column `usr_web74_1`.`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', 'pruii27pepiv2ijl1e8f1ac751', '3.149.25.73', '1722064551', '1722064551', '/shopping_cart.php')

[XT SQL Error]