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', '77ee103e1652056d0916f989705d5719', '3.145.44.174', '1713554605', '1713554605', '/shop_content.php/language/de/coID/3')

[XT SQL Error]