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', 'amq328fgqa3kiplae91g9uvfh3', '216.73.216.19', '1770756214', '1770756214', '/product_info.php/info/p6307_ISO-7010--E001-E005--KNS--Rettungsweg---Notausgang.html')

[XT SQL Error]