Error: Unknown authentication strategy "jwt"

/// created the profile route here i initiliazed and also used parer
//just incase its needed

   app.use(bodyParser.urlencoded({extended:false}));
   app.use(bodyParser.json());
  app.use(passport.initialize());
  require('../../config/passport')

router.get (’/’, passport.authenticate(‘jwt’, { session: false}), (req,res) => {

res.json({msg: “working now profile”})
})
module.exports = router;