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', '0mvedbk2dan02j5jpcs0f14t74', '3.226.243.36', '1585724825', '1585724825', '/')

[XT SQL Error]