1366 - Incorrect integer value: '' for column `jugglux_jstore`.`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', '12ookvsms0eh5ucos5ukgsb187', '3.94.21.209', '1606207491', '1606207491', '/index.php/cat/c210_DVD-and-VCR.html')

[XT SQL Error]