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', 'a81b2cd772fee86a98ec23da917029b6', '3.236.240.48', '1711689589', '1711689589', '/shop_content.php?coID=3&XTCsid=c369fbc9bc0a436cd7cf3685aed78598')

[XT SQL Error]