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', 'h85if7pun060keu1n20f3fub22', '35.153.106.141', '1711711850', '1711711850', '/login.php?XTCsid=h85if7pun060keu1n20f3fub22')

[XT SQL Error]