1366 - Incorrect integer value: '' for column `CP_as15`.`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', '80mrtp3a0ruu78vv4n78k3rdp7', '18.119.108.166', '1738999699', '1738999699', '/index.php?XTCsid=mkl8qqqorbnshicuaf45rnrdo2&cat=c551_SALE.html')

[XT SQL Error]