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', 'df285a5463b017135d74618c56a07273', '54.235.6.60', '1710824476', '1710824476', '/create_account.php')

[XT SQL Error]