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', '616c9522ec7460281b4444d8314492a3', '3.140.185.170', '1714007528', '1714007528', '/product_info.php/info/p2730_Estonia-Relief-Map.html')

[XT SQL Error]