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', '7e4dc79c5bf2df10ab0b7468707f9ab1', '3.145.203.23', '1713868769', '1713868769', '/product_info.php/language/en/info/p3381_Aethiopien-Reliefkarte.html')

[XT SQL Error]