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', 'd766d3194610fe1d3b8dd4f77b6ed7e7', '18.117.182.179', '1713944076', '1713944076', '/index.php/language/de/cat/c29_Kontinente.html')

[XT SQL Error]