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', 'ee8c53195e1c1a37ca11fc6643f2cdd5', '18.116.239.195', '1714151911', '1714151911', '/product_info.php?info=p228_Auf-Wiedersehn.html&XTCsid=4a502cf522b059da09cfca377185d405')

[XT SQL Error]