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', '6732969d78e089eb6d112a97e0a3caf4', '3.141.202.187', '1713872767', '1713872767', '/product_info.php/language/de/info/p1680_Cyprus-Satellite-Image.html')

[XT SQL Error]