Error with Yamaha rx v2065 Musiccast Yamaha

[Migaddo]

HA will not discover my receiver with the musiccast

My error record shows a lot of issues. Can someone help me please?

Error while setting up musiccast_yamaha platform for media_player
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/entity_platform.py", line 199, in _async_setup_platform
await asyncio.shield(task)
File "/usr/local/lib/python3.8/concurrent/futures/thread.py", line 57, in run
result = self.fn(*self.args, **self.kwargs)
File "/config/custom_components/musiccast_yamaha/media_player.py", line 115, in setup_platform
receiver = pymusiccast.McDevice(ipaddr, udp_port=port,
File "/usr/local/lib/python3.8/site-packages/pymusiccast/init.py", line 41, in init
self.initialize()
File "/config/custom_components/musiccast_yamaha/pymusiccast.py", line 26, in initialize
self.network_status = self.get_network_status()
File "/usr/local/lib/python3.8/site-packages/pymusiccast/init.py", line 151, in get_network_status
return request(req_url)
File "/usr/local/lib/python3.8/site-packages/pymusiccast/helpers.py", line 15, in request
data = req.json()
File "/usr/local/lib/python3.8/site-packages/requests/models.py", line 900, in json
return complexjson.loads(self.text, **kwargs)
File "/usr/local/lib/python3.8/site-packages/simplejson/init.py", line 525, in loads
return _default_decoder.decode(s)
File "/usr/local/lib/python3.8/site-packages/simplejson/decoder.py", line 370, in decode
obj, end = self.raw_decode(s)
File "/usr/local/lib/python3.8/site-packages/simplejson/decoder.py", line 400, in raw_decode
return self.scan_once(s, idx=_w(s, idx).end())
simplejson.errors.JSONDecodeError: Expecting value: line 1 column 1 (char 0)