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', 'klo7e32b452tjiv0bajo86pq23', '18.221.227.158', '1746959162', '1746959162', '/product_info.php/info/p5650_-Jockel-PL-2-JM--2-kg---Pulver-Dauerdruckl--scher.html')

[XT SQL Error]