python – Unexpected Conda error preventing the creation of a new environment from a .yml file

I am running into an issue while attempting to start a local webserver for the use of pLannotate. When attempting to start create a conda environment from the .yml file, I receive this error message.

C:\Users\USER\Documents\pLannotate-1.2.0>conda env create -f environment.yml

# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

    Traceback (most recent call last):
      File "C:\Users\USER\Anaconda3\lib\site-packages\conda\exceptions.py", line 1114, in __call__
        return func(*args, **kwargs)
      File "C:\Users\USER\Anaconda3\lib\site-packages\conda_env\cli\main.py", line 80, in do_call
        exit_code = getattr(module, func_name)(args, parser)
      File "C:\Users\USER\Anaconda3\lib\site-packages\conda_env\cli\main_create.py", line 90, in execute
        spec = specs.detect(name=name, filename=get_filename(args.file), directory=os.getcwd())
      File "C:\Users\USER\Anaconda3\lib\site-packages\conda_env\specs\__init__.py", line 47, in detect
        if spec.can_handle():
      File "C:\Users\USER\Anaconda3\lib\site-packages\conda_env\specs\yaml_file.py", line 19, in can_handle
        self._environment = env.from_file(self.filename)
      File "C:\Users\USER\Anaconda3\lib\site-packages\conda_env\env.py", line 166, in from_file
        return from_yaml(yamlstr, filename=filename)
      File "C:\Users\USER\Anaconda3\lib\site-packages\conda_env\env.py", line 144, in from_yaml
        data = validate_keys(data, kwargs)
      File "C:\Users\USER\Anaconda3\lib\site-packages\conda_env\env.py", line 38, in validate_keys
        for key in data.keys():
    AttributeError: 'NoneType' object has no attribute 'keys'

`$ C:\Users\USER\Anaconda3\Scripts\conda-env-script.py create -f environment.yml`

  environment variables:
                 CIO_TEST=<not set>
  CONDA_AUTO_UPDATE_CONDA=false
                CONDA_EXE=C:\Users\USER\Anaconda3\condabin\..\Scripts\conda.exe
               CONDA_EXES="C:\Users\USER\Anaconda3\condabin\..\Scripts\conda.exe"
               CONDA_ROOT=C:\Users\USER\Anaconda3
           CURL_CA_BUNDLE=<not set>
                 HOMEPATH=\Users\USER
                     PATH=C:\Users\USER\Anaconda3;C:\Users\USER\Anaconda
                          3\Library\mingw-w64\bin;C:\Users\USER\Anaconda3\Library\us
                          r\bin;C:\Users\USER\Anaconda3\Library\bin;C:\Users\Julian.
                          Albertson\Anaconda3\Scripts;C:\Users\USER\Anaconda3\bin;C:
                          \Program Files (x86)\Common 
               platform : win-64
             user-agent : conda/4.13.0 requests/2.27.1 CPython/3.9.12 Windows/10 Windows/10.0.19044
          administrator : False
             netrc file : None
           offline mode : False


An unexpected error has occurred. Conda has prepared the above report.

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