Okta on prem testing connector

The connector configuration could not be tested. Make sure that the URL, Authentication Parameters are correct and that there is an implementation available at the URL provided. API error: The Provisioning Agent call to getConnectorConfig failed. Error code: 404, error: . Errors reported by the connector : HTTP Status 404 – Not Foundbody {font-family:Tahoma,Arial,sans

getting above error when testing the configuration