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', 'd5cd1896c3edeee4adb598aeeeb25112', '34.231.247.88', '1653610350', '1653610350', '/index.php/language/de/cat/c40_Map-Konfigurator.html')

[XT SQL Error]