Error: parse "://127.0.0.1/api/version": missing protocol scheme

I am adding existing deployment on local server with rasactl add

>> rasactl add rasa --rasa-x-release-name rasa-x-1649532218
Error: parse "://127.0.0.1/api/version": missing protocol scheme
Usage:
  rasactl add NAMESPACE [flags]

Examples:
  # Add a Rasa X deployment that is deployed in the 'my-test' namespace.
  $ rasactl add my-test

  # Add a Rasa X deployment that is deployed in the 'my-test' namespace and
  # a helm release name for the deployment is 'rasa-x-example'.
  $ rasactl add my-test --rasa-x-release-name rasa-x-example

Flags:
  -h, --help                         help for add
      --rasa-x-release-name string   a helm release name to manage (default "rasa-x")

Global Flags:
      --config string         config file (default is $HOME/.rasactl.yaml)
      --debug                 enable debug output
      --kube-context string   name of the kubeconfig context to use
      --kubeconfig string     absolute path to the kubeconfig file (default "/home/abhi/.kube/config")
      --verbose               enable verbose output

parse "://127.0.0.1/api/version": missing protocol scheme

How to handle this error?

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