1366 - Incorrect integer value: '' for column `creatihu_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', '1df537d338d18edf889fd73447c50efe', '3.236.83.14', '1718930872', '1718930872', '/')

[XT SQL Error]