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', 'b6dldd4bju7olq5hrfcdir8fl6', '44.222.82.119', '1711706073', '1711706073', '/login.php?XTCsid=b6dldd4bju7olq5hrfcdir8fl6')

[XT SQL Error]