1366 - Incorrect integer value: '' for column `hoc_db9`.`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', 'f8befc409ce33424ee0db5c9c243dc26', '3.238.252.196', '1659935113', '1659935113', '/')

[XT SQL Error]