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', '3mgapjnr40bvfdmpkik75ovir1', '54.175.120.161', '1711721145', '1711721145', '/::688.html')

[XT SQL Error]