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', 'qn9ihhumke2rfhg97mdccaecn0', '18.217.1.165', '1746958421', '1746958421', '/product_info.php/info/p5855_-Jockel-P-6-H-System--6-kg--Pulverl--scher.html')

[XT SQL Error]