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', '0f65eaf3438e20ce72c4fb4c74d20710', '34.231.247.88', '1653611642', '1653611642', '/shop_content.php/coID/25')

[XT SQL Error]