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', 'r196rrk3ukg6flaq78vt7ojl64', '44.195.47.227', '1711616955', '1711616955', '/login.php?XTCsid=r196rrk3ukg6flaq78vt7ojl64')

[XT SQL Error]