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', 'ctnsc6cdr4fb38qka365qej4f1', '18.219.195.35', '1746955470', '1746955470', '/product_info.php/info/p6669_PB6LJ--ABC-Pulver--10-L--scheinheiten.html')

[XT SQL Error]