Error: The 'redirect_uri' parameter must be a Login redirect URI in the client app settings

400
Bad Request
Your request resulted in an error. The ‘redirect_uri’ parameter must be a Login redirect URI in the client app settings.

We have a help article about how to resolve this error: 400 Bad Request: The ‘redirect_uri’ Parameter Must Be a Login Redirect URI In the Client App Settings | Okta Help Center