1366 - Incorrect integer value: '' for column `hbl_shop`.`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', '6otn58sh3lem59jsqrj1jqpgh4', '18.224.93.225', '1746787027', '1746787027', '/product_info.php?info=p25_800291-Schlammsieb-fuer-Elektro-Futterdaempfer-63-Liter.html')

[XT SQL Error]