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', 'f4d3575470f2eb32462d8373770b4ce3', '3.147.66.178', '1713507798', '1713507798', '/product_info.php/language/de/info/p4017_Reliefkarten-Poster-Konfigurator.html')

[XT SQL Error]