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', 'abac6c7b8c23966f21ee7ddce5f6e4fe', '3.129.211.87', '1714178709', '1714178709', '/product_info.php/language/de/info/p4013_Earth-Relief-Map.html')

[XT SQL Error]