1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', '0e11963d299e2599f8c2747b7d43bfc1', '216.73.216.145', '1761021267', '1761021267', '/shop_content.php/coID/2')

[XT SQL Error]