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', 'ebsb884t0kj6kplplggs6vm2h6', '18.97.9.170', '1739817525', '1739817525', '/shop_content.php/coID/54/product/Funktionsweise-von-Rauchmeldern')

[XT SQL Error]