fetching remote backup failed

Not able to fetch version of remote server. Error Message: HTTPSConnectionPool(host=‘79.143.191.%2099’, port=8090): Max retries exceeded with url: /api/cyberPanelVersion (Caused by NewConnectionError(’<urllib3.connection.VerifiedHTTPSConnection object at 0x7fa57775d320>: Failed to establish a new connection: [Errno -2] Name or service not known’,))

this is the error im getting despite api is alrrady enabled 8n the remote server