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', 'c6060973e99634577fc086c47d9dbd3a', '3.83.188.254', '1585989369', '1585989369', '/shop/redirect.php/action/manufacturer/manu/m1_Imkerei-Fueckel.html')

[XT SQL Error]