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', '277bbb3a5fa360a1628fce8c7af5a9ce', '216.73.216.134', '1769587357', '1769587357', '/products_new.php/language/de')

[XT SQL Error]