Error: invalid load key, ','., Cloned project no longer shows initial documents

Opening this cloned project with few documents now throws this error. Did not throw error on previous clones.

Project was cloned then attempted to open in user window

Error: invalid load key, ‘,’.
Full Error:

Traceback (most recent call last):
File “/home/api/./api/views.py”, line 253, in prepare_documents
cat = get_medcat(CDB_MAP=CDB_MAP, VOCAB_MAP=VOCAB_MAP,
File “/home/api/./api/utils.py”, line 299, in get_medcat
cdb = CDB.load(cdb_path)
File “/usr/local/lib/python3.9/site-packages/medcat/cdb.py”, line 424, in load
cdb = ser.deserialize(CDB)
File “/usr/local/lib/python3.9/site-packages/medcat/utils/saving/serializer.py”, line 184, in deserialize
data = dill.load(f)
File “/usr/local/lib/python3.9/site-packages/dill/_dill.py”, line 313, in load
return Unpickler(file, ignore=ignore, **kwds).load()
File “/usr/local/lib/python3.9/site-packages/dill/_dill.py”, line 525, in load
obj = StockUnpickler.load(self)
_pickle.UnpicklingError: invalid load key, ‘,’.