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', '4fb60106d20adbf19e1475d10cb23d4e', '18.223.32.230', '1714189104', '1714189104', '/popup_content.php?coID=1&XTCsid=f716959fd807bba9b6e004501137d276')

[XT SQL Error]