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', 'be0f2aff0c6e9298f1fb940afb366e66', '35.175.212.5', '1711656015', '1711656015', '/product_info.php/info/p1593_Rumaenien-Satellitenbild.html')

[XT SQL Error]