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', '376b0b35bcaef858125ba82e7478d9ce', '18.118.30.253', '1714146562', '1714146562', '/index.php/language/en/cat/c42_Vector-Maps.html')

[XT SQL Error]