What does this mean?
Traceback (most recent call last):
File "rpaextract.py", line 359, in <module>
File "rpaextract.py", line 64, in __init__
File "rpaextract.py", line 223, in load
File "rpaextract.py", line 104, in extract_indexes
File "rpaextract.py", line 38, in _unpickle
File "pickle.py", line 1388, in loads
File "pickle.py", line 864, in load
File "pickle.py", line 892, in load_proto
ValueError: unsupported pickle protocol: 5
[27864] Failed to execute script rpaextract