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', 'ghqmc13fho9pg106fa5rv0fsq7', '3.138.154.250', '1746787134', '1746787134', '/product_info.php/info/p677_Verhalten-im-Brandfall---Brandschutz-Zeichen.html')

[XT SQL Error]