1366 - Incorrect integer value: '' for column `pella-ware`.`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', 'e86e52b8ca228da78786eb9dc1e1c70f', '18.217.8.82', '1714128244', '1714128244', '/shop_content.php?language=en&coID=8')

[XT SQL Error]