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', 'tgp3b1v6rb36kpf1ob3rhf9n65', '52.3.228.47', '1601157646', '1601157646', '/advanced_search.php')

[XT SQL Error]