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', 'rgm3hcl274al2m8riaib1eeti0', '44.192.25.113', '1653280649', '1653280649', '/')

[XT SQL Error]