cannot activate conda environments in vscode terminal

[y-tamura]

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What happened?

I cannot activate conda environments in vscode terminal, though can activate in mac's terminal and also could in vscode before.
Could you tell me how to fix it ?
The error is below.

% conda activate base
# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

    Traceback (most recent call last):
      File "/Users/tamurayukito/opt/anaconda3/lib/python3.9/site-packages/conda/exception_handler.py", line 17, in __call__
        return func(*args, **kwargs)
      File "/Users/tamurayukito/opt/anaconda3/lib/python3.9/site-packages/conda/cli/main.py", line 110, in main_sourced
        print(activator.execute(), end="")
      File "/Users/tamurayukito/opt/anaconda3/lib/python3.9/site-packages/conda/activate.py", line 203, in execute
        return getattr(self, self.command)()
      File "/Users/tamurayukito/opt/anaconda3/lib/python3.9/site-packages/conda/activate.py", line 168, in activate
        builder_result = self.build_activate(self.env_name_or_prefix)
      File "/Users/tamurayukito/opt/anaconda3/lib/python3.9/site-packages/conda/activate.py", line 346, in build_activate
        return self._build_activate_stack(env_name_or_prefix, False)
      File "/Users/tamurayukito/opt/anaconda3/lib/python3.9/site-packages/conda/activate.py", line 436, in _build_activate_stack
        deactivate_scripts = self._get_deactivate_scripts(old_conda_prefix)
      File "/Users/tamurayukito/opt/anaconda3/lib/python3.9/site-packages/conda/activate.py", line 768, in _get_deactivate_scripts
        for entry in os.scandir(join(prefix, "etc", "conda", "deactivate.d"))
      File "/Users/tamurayukito/opt/anaconda3/lib/python3.9/posixpath.py", line 76, in join
        a = os.fspath(a)
    TypeError: expected str, bytes or os.PathLike object, not NoneType
$ /Users/tamurayukito/opt/anaconda3/bin/conda shell.posix activate base

Following this error report, conda information is output.
After the conda information , this message is finally output.

An unexpected error has occurred. Conda has prepared the above report.
If you suspect this error is being caused by a malfunctioning plugin,
consider using the --no-plugins option to turn off plugins.

Example: conda --no-plugins install <package>

Alternatively, you can set the CONDA_NO_PLUGINS environment variable on
the command line to run the command without plugins enabled.

Example: CONDA_NO_PLUGINS=true conda install <package>

Conda Info

active environment : None
            shell level : 4
       user config file : /Users/tamurayukito/.condarc
 populated config files : /Users/tamurayukito/.condarc
          conda version : 24.1.2
    conda-build version : 24.1.2
         python version : 3.9.18.final.0
                 solver : libmamba (default)
       virtual packages : __archspec=1=m1
                          __conda=24.1.2=0
                          __osx=10.16=0
                          __unix=0=0
       base environment : /Users/tamurayukito/opt/anaconda3  (writable)
      conda av data dir : /Users/tamurayukito/opt/anaconda3/etc/conda
  conda av metadata url : None
           channel URLs : https://conda.anaconda.org/conda-forge/osx-64
                          https://conda.anaconda.org/conda-forge/noarch
                          https://repo.anaconda.com/pkgs/main/osx-64
                          https://repo.anaconda.com/pkgs/main/noarch
                          https://repo.anaconda.com/pkgs/r/osx-64
                          https://repo.anaconda.com/pkgs/r/noarch
          package cache : /Users/tamurayukito/opt/anaconda3/pkgs
                          /Users/tamurayukito/.conda/pkgs
       envs directories : /Users/tamurayukito/opt/anaconda3/envs
                          /Users/tamurayukito/.conda/envs
               platform : osx-64
             user-agent : conda/24.1.2 requests/2.31.0 CPython/3.9.18 Darwin/23.2.0 OSX/10.16 solver/libmamba conda-libmamba-solver/24.1.0 libmambapy/1.5.6 aau/0.4.3 c/DYxaDtdSNjX-ZyrmbVnMDw s/_TQNSiWjk3uWohHgL6J9hg e/rG0lGFfWEQtw2qIaWAZ5uA
                UID:GID : 501:20
             netrc file : None
           offline mode : False

Conda Config

==> /Users/tamurayukito/.condarc <==
auto_activate_base: True
channels:
  - conda-forge
  - defaults
report_errors: False

Conda list

No response

Additional Context

No response