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', '88a99c8ec10ee192bfd8137cfb82467a', '18.218.61.16', '1713493081', '1713493081', '/index.php/language/de/cat/c35_Laender.html/page/2')

[XT SQL Error]