1366 - Incorrect integer value: '' for column `db160153`.`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', 'mfkfakpkca6nj4k2g15cl8sqd6', '3.81.30.41', '1711670290', '1711670290', '/::542.html')

[XT SQL Error]