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', '865eba397b1e4a6d74ceeba8fd9d3938', '44.220.41.140', '1711618273', '1711618273', '/index.php/language/de/cat/c30_Countries.html/page/11')

[XT SQL Error]