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', 'ac8ddf6aa21ea0deb9e48b77f70afec3', '18.226.222.12', '1713561438', '1713561438', '/product_info.php/language/de/info/p1814_Cape-Verde-7-Satellite-Image.html')

[XT SQL Error]