1366 - Incorrect integer value: '' for column `creatihu_shop`.`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', '8623666d67553487b0fad0a67657564e', '18.97.14.80', '1738949758', '1738949758', '/')

[XT SQL Error]