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', 'e47be9e8abb4c2e11b87a3b1db5a5ea1', '3.239.119.159', '1711651474', '1711651474', '/product_info.php/language/de/info/p436_3D-Satellitenbild-Konfigurator.html')

[XT SQL Error]