Exception error

Traceback (most recent call last): File "multiprocessing\process.py", line 314, in _bootstrap File "multiprocessing\process.py", line 108, in run File "urh\dev\native\Device.py", line 159, in device_receive File "urh\dev\native\SDRPlay.py", line 134, in init_device IndexError: list index out of range

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "urh\main.py", line 212, in File "PyInstaller\hooks\rthooks\pyi_rth_multiprocessing.py", line 48, in _freeze_support File "multiprocessing\spawn.py", line 122, in spawn_main File "multiprocessing\spawn.py", line 135, in _main File "multiprocessing\process.py", line 329, in _bootstrap AttributeError: 'NoneType' object has no attribute 'write' Sdrplay