1366 - Incorrect integer value: '' for column `abtecsho_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', 'dvaige19ctg8bn5n5rdp3qfsv1', '3.17.70.182', '1746874776', '1746874776', '/shop_content.php/coID/7')

[XT SQL Error]