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', '6a837a2fe2a8deb5ecb357a65a89c2a4', '18.191.108.168', '1713609359', '1713609359', '/index.php/language/de/cat/c6_Satellitenbild-Poster.html')

[XT SQL Error]