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', 'bcf9231fb229ec4de57947eb4477bd1b', '18.221.53.5', '1714169466', '1714169466', '/shop_content.php?coID=8&XTCsid=a33edcfe7a4d0f8d478a4ad1978f2859')

[XT SQL Error]