Invalid NDArray file format about arcface-multiplex-recognition HOT 9 OPEN

Exception in thread Thread-2:
Traceback (most recent call last):
  File "/media/mustafa/ubuntu_backup/anaconda3/lib/python3.7/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/media/mustafa/ubuntu_backup/anaconda3/lib/python3.7/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "usb_camera.py", line 139, in <lambda>
    Process(target=lambda: asyncio.run(detection_loop(preload))).start()
  File "/media/mustafa/ubuntu_backup/anaconda3/lib/python3.7/asyncio/runners.py", line 43, in run
    return loop.run_until_complete(main)
  File "/media/mustafa/ubuntu_backup/anaconda3/lib/python3.7/asyncio/base_events.py", line 573, in run_until_complete
    return future.result()
  File "usb_camera.py", line 67, in detection_loop
    detector = face_detector.DetectorModel(preload)
  File "/media/mustafa/ubuntu_backup/Projects/mustafa_face_dl/ArcFace-Multiplex-Recognition/face_detector.py", line 14, in __init__
    self.detector = RetinaFace(args.retina_model, 0, args.gpu, 'net3')
  File "/media/mustafa/ubuntu_backup/Projects/mustafa_face_dl/ArcFace-Multiplex-Recognition/retinaface.py", line 84, in __init__
    sym, arg_params, aux_params = mx.model.load_checkpoint(prefix, epoch)
  File "/home/mustafa/.local/lib/python3.7/site-packages/mxnet/model.py", line 438, in load_checkpoint
    save_dict = nd.load('%s-%04d.params' % (prefix, epoch))
  File "/home/mustafa/.local/lib/python3.7/site-packages/mxnet/ndarray/utils.py", line 175, in load
    ctypes.byref(names)))
  File "/home/mustafa/.local/lib/python3.7/site-packages/mxnet/base.py", line 252, in check_call
    raise MXNetError(py_str(_LIB.MXGetLastError()))
mxnet.base.MXNetError: [20:50:08] src/ndarray/ndarray.cc:1803: Check failed: header == kMXAPINDArrayListMagic Invalid NDArray file format