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', '3joqa9p7vtdribpjmd3l4rkj02', '13.58.156.237', '1746955180', '1746955180', '/product_info.php/info/p5856_-Jockel-P-12H-System--12-kg--Pulverl--scher.html')

[XT SQL Error]