1366 - Incorrect integer value: '' for column `shop_db3`.`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', '20a9261f02a5192ea17a46f38884082a', '3.138.204.208', '1714142126', '1714142126', '/shop_content.php?coID=2&XTCsid=0b5950426fd4d33665c5302b513a92c8')

[XT SQL Error]