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', 'f17818cc1039e9d75bccffa81c7ed725', '34.231.247.88', '1653606678', '1653606678', '/index.php/language/en')

[XT SQL Error]