Server not starting and UI too ValueError: bad marshal data (invalid reference)

[artemliubymov]

File "", line 672, in _compile_bytecode
ValueError: bad marshal data (invalid reference)

Getting this when trying to run krakensdr_doa_start.sh. REbooting not helping. what it can be?

[krakenrf]

How did you install the software, and on what machine? Did it work in the past?