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', '40121b53fd7111c307624fa3c7003d4e', '3.145.201.71', '1713493413', '1713493413', '/product_info.php/language/en/info/p1609_Guinea-Satellitenbild.html')

[XT SQL Error]