Anki unable to sync

🐛 Bug
1

Before the error happened, I was…
Starting up anki

Error message (don't change this) 
Anki 23.12.1 (1a1d4d54)  (ao)
Python 3.9.15 Qt 6.6.1 PyQt 6.6.1
Platform: Windows-10-10.0.19045

Traceback (most recent call last):

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 3291, in execute_sql
    cursor.execute(sql, params or ())

sqlite3.DatabaseError: database disk image is malformed


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "aqt.taskman", line 142, in _on_closures_pending

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\gui\auto_sync.py", line 99, in sync_with_ankiweb
    future.result()

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

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

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\gui\operations\utils.py", line 39, in wrapper
    return func(*args, **kwargs)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\gui\operations\ankihub_sync.py", line 118, in _on_sync_done
    future.result()

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

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

  File "concurrent.futures.thread", line 58, in run

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\gui\operations\ankihub_sync.py", line 110, in <lambda>
    task=lambda: ah_deck_updater.update_decks_and_media(to_sync_ah_dids),

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\gui\deck_updater.py", line 61, in update_decks_and_media
    self._update_decks(ah_dids)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\gui\deck_updater.py", line 84, in _update_decks
    should_continue = self._update_single_deck(ah_did)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\gui\deck_updater.py", line 98, in _update_single_deck
    result = self._fetch_and_apply_deck_updates(ankihub_did)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\gui\deck_updater.py", line 135, in _fetch_and_apply_deck_updates
    import_result = self._importer.import_ankihub_deck(

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\main\importing.py", line 147, in import_ankihub_deck
    dids = self._import_notes(

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\main\importing.py", line 217, in _import_notes
    upserted_notes_data, skipped_notes_data = ankihub_db.upsert_notes_data(

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\db\db.py", line 119, in upsert_notes_data
    skipped_notes = self._determine_notes_to_skip(

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\db\db.py", line 191, in _determine_notes_to_skip
    execute_list_query_in_chunks(

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\db\db.py", line 654, in execute_list_query_in_chunks
    return execute_query_in_chunks(

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\db\db.py", line 677, in execute_query_in_chunks
    result = accumulator(result, result_chunk)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\db\db.py", line 657, in <lambda>
    accumulator=lambda total, chunk: total + list(chunk),

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 2112, in __len__
    self._ensure_execution()

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 2094, in _ensure_execution
    self.execute()

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 2011, in inner
    return method(self, database, *args, **kwargs)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 2082, in execute
    return self._execute(database)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 2255, in _execute
    cursor = database.execute(self)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 3299, in execute
    return self.execute_sql(sql, params)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 3291, in execute_sql
    cursor.execute(sql, params or ())

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 3059, in __exit__
    reraise(new_type, new_type(exc_value, *exc_args), traceback)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 192, in reraise
    raise value.with_traceback(tb)

  File "C:\Users\rohan\AppData\Roaming\Anki2\addons21\1322529746\lib\peewee.py", line 3291, in execute_sql
    cursor.execute(sql, params or ())

peewee.DatabaseError: database disk image is malformed

Sentry link (for developers)

2

Please try the solution here:

3

Can you post the steps for Windows 10. I do not see this file on PC.

4

Your AnkiHub database is corrupted. Please follow the steps if you still have the issue:

  • Close Anki
  • Go to the C:\Users%USERNAME%\AppData\Roaming\AnkiHub folder.
  • You should see multiple subfolders with random names. Open each subfolder and delete the ankihub.db file.