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', 'g9ql7o63vn89j2dpqj05j747u4', '18.116.10.73', '1746957555', '1746957555', '/product_info.php/info/p5102_-Jockel-K-2-J--2-kg---Kohlendioxidl--scher.html')

[XT SQL Error]