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', 'pu313ca6fp57a34d9t97md8t52', '18.191.255.7', '1746946397', '1746946397', '/shop_content.php/coID/100')

[XT SQL Error]