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', 'bf776flprh8ic12od4kaddo5d4', '18.210.23.15', '1576227468', '1576227468', '/')

[XT SQL Error]