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', '565cd8d8be2265c7feb5c3bef06f6353', '18.119.159.150', '1714186879', '1714186879', '/product_info.php?info=p319_Easy-Tunes--Eb-Instrumente-.html&XTCsid=244b07160d2ebeb432977424993b1b59')

[XT SQL Error]