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', '243710039e5ef970f28391933cbe7592', '3.139.82.23', '1714082340', '1714082340', '/product_info.php?info=p249_German-Folk-Medley.html&XTCsid=752467afa49d1c2decc281986e95df51')

[XT SQL Error]