Unable to download "AnatoKing" deck

Before the error happened, I was…
Trying to download the anatoking deck. I have restarted my anki several times but it keeps throwing this error.

Error message (don't change this)
Anki 25.09.4 (d52ca669) (ao)
Python 3.13.5 Qt 6.9.1 PyQt 6.9.1
Platform: macOS-26.5.1-arm64-arm-64bit-Mach-O

Traceback (most recent call last):

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 201, in _download_and_install_decks_inner
    _download_and_install_single_deck(
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        deck,
        ^^^^^
        behavior_on_remote_note_deleted=behavior_on_remote_note_deleted,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        recommended_deck_settings=recommended_deck_settings,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 228, in _download_and_install_single_deck
    notes_data: List[NoteInfo] = AnkiHubClient().download_deck(
                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        deck.ah_did, download_progress_cb=deck_download_progress_cb
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/ankihub_client/ankihub_client.py", line 688, in download_deck
    notes_data_raw = _transform_notes_data(notes_data_raw)

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/ankihub_client/ankihub_client.py", line 1336, in _transform_notes_data
    json.loads(note_data["fields"]) if isinstance(note_data["fields"], str) else note_data["fields"]
    ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
           ~~~~~~~~~~~~~~~~~~~~~~~^^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/json/decoder.py", line 345, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
               ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/json/decoder.py", line 361, in raw_decode
    obj, end = self.scan_once(s, idx)
               ~~~~~~~~~~~~~~^^^^^^^^

json.decoder.JSONDecodeError: Unterminated string starting at: line 1 column 565 (char 564)


The above exception was the direct cause of the following exception:


Traceback (most recent call last):

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/.venv/lib/python3.13/site-packages/aqt/taskman.py", line 152, in raise_exception
    raise exception

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/.venv/lib/python3.13/site-packages/aqt/taskman.py", line 148, in _on_closures_pending
    closure()
    ~~~~~~~^^

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/auto_sync.py", line 100, in sync_with_ankiweb
    future.result()
    ~~~~~~~~~~~~~^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/concurrent/futures/_base.py", line 449, in result
    return self.__get_result()
           ~~~~~~~~~~~~~~~~~^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/concurrent/futures/_base.py", line 401, in __get_result
    raise self._exception

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/operations/utils.py", line 36, in wrapper
    return func(*args, **kwargs)

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/operations/ankihub_sync.py", line 146, in _on_new_deck_subscriptions_done
    future.result()
    ~~~~~~~~~~~~~^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/concurrent/futures/_base.py", line 449, in result
    return self.__get_result()
           ~~~~~~~~~~~~~~~~~^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/concurrent/futures/_base.py", line 401, in __get_result
    raise self._exception

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/operations/utils.py", line 36, in wrapper
    return func(*args, **kwargs)

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 97, in _on_install_done
    import_results: List[AnkiHubImportResult] = future.result()
                                                ~~~~~~~~~~~~~^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/concurrent/futures/_base.py", line 449, in result
    return self.__get_result()
           ~~~~~~~~~~~~~~~~~^^

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/concurrent/futures/_base.py", line 401, in __get_result
    raise self._exception

  File "/Users/aydinherik/Library/Application Support/AnkiProgramFiles/python/cpython-3.13.5-macos-aarch64-none/lib/python3.13/concurrent/futures/thread.py", line 59, in run
    result = self.fn(*self.args, **self.kwargs)

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 81, in <lambda>
    task=lambda: _download_and_install_decks_inner(
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        decks,
        ^^^^^^
        behavior_on_remote_note_deleted=behavior_on_remote_note_deleted,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        recommended_deck_settings=recommended_deck_settings,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    ),
    ^

  File "/Users/aydinherik/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 218, in _download_and_install_decks_inner
    raise exceptions[0]

1322529746.gui.exceptions.DeckDownloadAndInstallError: Error while downloading and installing deck bea25743-706a-4bff-a043-efcc0a617121: Unterminated string starting at: line 1 column 565 (char 564)

Sentry link (for developers)

Hello,

Please update your AnkiHub add-on:

  1. On your Anki main screen, go to Tools > Add-ons > Check for Updates.
  2. After the update is complete, please restart Anki.

If the issue persists, please try unsubscribing and resubscribing to the deck.

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