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', 'vku1qqotmh2q4s4b0l6cqglu82', '3.145.115.195', '1713929554', '1713929554', '/login.php?XTCsid=vku1qqotmh2q4s4b0l6cqglu82')

[XT SQL Error]