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', 'vn86053iqnvo3sndpjb79cfgj4', '18.117.157.139', '1746773471', '1746773471', '/product_info.php?info=p103_Gaerfass.html')

[XT SQL Error]