trRosetta2 json.decoder issue

Generating TAPE features 243B [00:00, 284458.80B/s] Traceback (most recent call last): File "/home/ngayatri/trRosetta2/trRosetta2/tape/get_embeddings.py", line 25, in model = ProteinBertModel.from_pretrained('bert-base') File "/home/ngayatri/miniconda3/envs/casp14-baker/lib/python3.6/site-packages/tape/models/modeling_utils.py", line 470, in from_pretrained *kwargs File "/home/ngayatri/miniconda3/envs/casp14-baker/lib/python3.6/site-packages/tape/models/modeling_utils.py", line 172, in from_pretrained config = cls.from_json_file(resolved_config_file) File "/home/ngayatri/miniconda3/envs/casp14-baker/lib/python3.6/site-packages/tape/models/modeling_utils.py", line 202, in from_json_file return cls.from_dict(json.loads(text)) File "/home/ngayatri/miniconda3/envs/casp14-baker/lib/python3.6/json/init.py", line 354, in loads return _default_decoder.decode(s) File "/home/ngayatri/miniconda3/envs/casp14-baker/lib/python3.6/json/decoder.py", line 339, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) File "/home/ngayatri/miniconda3/envs/casp14-baker/lib/python3.6/json/decoder.py", line 357, in raw_decode raise JSONDecodeError("Expecting value", s, err.value) from None json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0) Running sequence-based trRosetta Folding trRosetta models Running trRefine /home/ngayatri/trRosetta2/trRosetta2 Folding trRefine models ls: cannot access /home/ngayatri/trRosetta2/trRosetta2/example/T1078/pdb-trRefine/model.pdb: No such file or directory Running DeepAccNet-msa on trRefine models

please help me solve this issue