Board Thread:Questions and Answers/@comment-162.239.69.156-20160111003821/@comment-2155082-20160111043113

You will need to have purchased the elite dangerous: horizons content in order to land on a planet.  If you have done so and still recieve a the message you mentioned, make sure there is a planetary approach module fitted in the planetary approach suite module slot on your ship in the outfitting screen.