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', '6af90772075ee737c0788fe8a7407a5e', '52.15.112.69', '1714168414', '1714168414', '/shop_content.php?coID=2&XTCsid=a33edcfe7a4d0f8d478a4ad1978f2859')

[XT SQL Error]