1366 - Incorrect integer value: '' for column `shop_db3`.`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', 'b12c2a3cd6c22d5962775223d1cfff5e', '18.189.2.122', '1713242082', '1713242082', '/product_info.php?info=p320_Easy-Tunes--F-Instruments-.html&XTCsid=8c4102f41ddb20799250c1276e1c9d62')

[XT SQL Error]