1366 - Incorrect integer value: '' for column `abtecsho_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', 'vpntntkdp5keknb6ades0alcu2', '3.144.154.109', '1746948076', '1746948076', '/product_info.php/info/p6294_BGV-A8-F-01-KNS--Richtungsangabe-links-rechts.html')

[XT SQL Error]