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', '12af82ba0134643ba90dcdfc047d6e6e', '18.223.172.252', '1713517150', '1713517150', '/product_info.php?info=p246_Dream-Melody.html&XTCsid=41f283276f02c57a558016baf9b157ec')

[XT SQL Error]