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', '2f8780642d4ce21c933a46045df344db', '18.118.12.222', '1713944614', '1713944614', '/index.php/cat/c30_Laender.html/page/6')

[XT SQL Error]