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', 'g27elih6jo7ofqlmjckh3brci7', '18.189.192.24', '1746959657', '1746959657', '/product_info.php/info/p6072_-Jockel-KS-20-J--20-kg---Kohlendioxidl--scher.html')

[XT SQL Error]