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', '74e5ddf366df13da0b9a00577ba46f6c', '18.221.98.71', '1714075167', '1714075167', '/product_info.php/info/p3487_Albanien-Reliefkarte.html')

[XT SQL Error]