1366 - Incorrect integer value: '' for column `pella-ware`.`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', 'b88c0001bfbd70d3702b45949956c8b7', '3.239.9.151', '1708823335', '1708823335', '/')

[XT SQL Error]