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', '88088f54bac64f27c85c6599380483e3', '3.15.229.113', '1714145478', '1714145478', '/product_info.php/language/en/info/p4019_3D-Relief-Map-Configurator.html')

[XT SQL Error]