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', 'bqsatm9nr87am4le800hf45ui5', '3.142.173.227', '1713553390', '1713553390', '/login.php?XTCsid=bqsatm9nr87am4le800hf45ui5')

[XT SQL Error]