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', 'e445e8efc1017185e8d2e681cca1e1b7', '18.221.208.183', '1713595861', '1713595861', '/product_info.php/info/p3437_Eritrea-Reliefkarte.html')

[XT SQL Error]