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', '3ae5aff3448935b6e0c5ad9966ebf7fd', '18.218.61.16', '1713495968', '1713495968', '/shop_content.php?coID=9&XTCsid=41f283276f02c57a558016baf9b157ec')

[XT SQL Error]