1366 - Incorrect integer value: '' for column `DBchUcr8hevu`.`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', '6veusofjb861uqrho2l27advs1', '18.97.9.172', '1786102524', '1786102524', '/shop/')

[XT SQL Error]