Error when I try to sync

šŸ› Bug
1

Before the error happened, I was trying to sync with ankihub

Error message (don't change this) 
Anki 2.1.65 (aa9a734f) Python 3.9.15 Qt 6.5.0 PyQt 6.5.0
Platform: macOS-15.5-x86_64-i386-64bit
Flags: frz=True ao=True sv=2
Add-ons, last update check: 2025-09-02 14:27:21

Traceback (most recent call last):

  File "aqt.taskman", line 122, in _on_closures_pending

  File "/Users/charlotteberry/Library/Application Support/Anki2/addons21/1322529746/gui/auto_sync.py", line 101, in sync_with_ankiweb
    future.result()

  File "concurrent.futures._base", line 439, in result

  File "concurrent.futures._base", line 391, in __get_result

  File "/Users/charlotteberry/Library/Application Support/Anki2/addons21/1322529746/gui/operations/ankihub_sync.py", line 62, in sync_with_ankihub
    subscribed_decks = client.get_deck_subscriptions()

  File "/Users/charlotteberry/Library/Application Support/Anki2/addons21/1322529746/ankihub_client/ankihub_client.py", line 591, in get_deck_subscriptions
    raise AnkiHubHTTPError(response)

1322529746.ankihub_client.ankihub_client.AnkiHubHTTPError: AnkiHub request error: 406 Not Acceptable

Sentry link (for developers)

2

Hello,

It looks like you are on an outdated version of Anki.

First, please ensure you are on the latest version of Anki. You can download it here: https://apps.ankiweb.net/. After downloading, simply run the downloaded file to update your application.

Then, please update the 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.

Let us know if you continue to experience this issue. :blush:

3

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