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', 'ba1fb3c15de5d08df0fb0209df46ed7b', '3.235.140.73', '1711714469', '1711714469', '/shop_content.php?coID=1&XTCsid=244b07160d2ebeb432977424993b1b59')

[XT SQL Error]