1366 - Incorrect integer value: '' for column `sql12320`.`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', '05da34abbd26d1863ae0353c0afb4ea2', '3.83.188.254', '1585992635', '1585992635', '/shop/product_info.php/info/p112_Kuemmelbrand.html')

[XT SQL Error]