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', '6b23087d6ab9431ab7f4a9b8528fcdc8', '3.138.138.144', '1713482790', '1713482790', '/product_info.php/language/en/info/p2703_Austria-Relief-Map.html')

[XT SQL Error]