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', '9ftlueasdf70p5q8jmisv7qs95', '3.145.108.4', '1747343699', '1747343699', '/index.php')

[XT SQL Error]