JSONDecodeError

[nandlalyadav57]

I am getting the below error

python3 main.py

Traceback (most recent call last):
  File "main.py", line 176, in <module>
    data = json.load(config_file)
  File "/usr/lib/python3.8/json/__init__.py", line 293, in load
    return loads(fp.read(),
  File "/usr/lib/python3.8/json/__init__.py", line 357, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python3.8/json/decoder.py", line 340, in decode
    raise JSONDecodeError("Extra data", s, end)
json.decoder.JSONDecodeError: Extra data: line 11 column 1 (char 199)