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', '43ff0f5ef51f69411231a16d722910a1', '18.221.53.209', '1714047647', '1714047647', '/product_info.php/info/p3063_Die-Bahamas-7-Reliefkarte.html')

[XT SQL Error]