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', 'def883cf754c92a7f41095ae6d79663b', '3.145.130.31', '1713579041', '1713579041', '/product_info.php/language/en/info/p2658_Marokko-Reliefkarte.html')

[XT SQL Error]