1366 - Incorrect integer value: '' for column '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', '7605c1228ce2b0d8682ef3b493ea2a35', '18.226.166.114', '1714084660', '1714084660', '/index.php')

[XT SQL Error]