Error on opening anki

Before the error happened, I was…
[Replace this text.]

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-14.4.1-arm64-arm-64bit
Flags: frz=True ao=True sv=2
Add-ons, last update check: 2024-05-05 18:54:28

Traceback (most recent call last):

  File "/Users/mariahkim/Library/Application Support/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 "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 153, in _download_and_install_decks_inner
    _download_and_install_single_deck(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 189, in _download_and_install_single_deck
    result = _install_deck(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 223, in _install_deck
    import_result = importer.import_ankihub_deck(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/main/importing.py", line 145, in import_ankihub_deck
    dids = self._import_notes(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/main/importing.py", line 215, in _import_notes
    upserted_notes_data, skipped_notes_data = ankihub_db.upsert_notes_data(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/db/db.py", line 161, in upsert_notes_data
    AnkiHubNote.insert_many(chunk).on_conflict_replace().execute()

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 2011, in inner
    return method(self, database, *args, **kwargs)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 2082, in execute
    return self._execute(database)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 2887, in _execute
    return super(Insert, self)._execute(database)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 2600, in _execute
    cursor = database.execute(self)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 3299, in execute
    return self.execute_sql(sql, params)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 3291, in execute_sql
    cursor.execute(sql, params or ())

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 3059, in __exit__
    reraise(new_type, new_type(exc_value, *exc_args), traceback)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 192, in reraise
    raise value.with_traceback(tb)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 3291, in execute_sql
    cursor.execute(sql, params or ())

peewee.DatabaseError: database disk image is malformed


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


Traceback (most recent call last):

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

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/ankihub_sync.py", line 69, in <lambda>
    on_done=lambda future: on_new_deck_subscriptions_done(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/ankihub_sync.py", line 28, in on_new_deck_subscriptions_done
    on_done(future_with_exception(future.exception()))

  File "/Users/mariahkim/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/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/utils.py", line 39, in wrapper
    return func(*args, **kwargs)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 75, in _on_install_done
    import_results: List[AnkiHubImportResult] = 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 "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 63, in <lambda>
    task=lambda: _download_and_install_decks_inner(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 172, in _download_and_install_decks_inner
    raise exceptions[0]

1322529746.gui.exceptions.DeckDownloadAndInstallError: Error while downloading and installing deck c784aa1c-edc1-4393-bb86-01c4efaad3c3: database disk image is malformed

Sentry link (for developers)

Your collection is corrupted and you have to restore from a backup. Please see Backups - Anki Manual

Before the error happened, I was…
This keeps happening when I went to backup last week. How far should I go back? Thank you

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-14.4.1-arm64-arm-64bit
Flags: frz=True ao=True sv=2
Add-ons, last update check: 2024-05-06 13:55:39

Traceback (most recent call last):

  File "/Users/mariahkim/Library/Application Support/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 "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 153, in _download_and_install_decks_inner
    _download_and_install_single_deck(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 189, in _download_and_install_single_deck
    result = _install_deck(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 223, in _install_deck
    import_result = importer.import_ankihub_deck(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/main/importing.py", line 145, in import_ankihub_deck
    dids = self._import_notes(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/main/importing.py", line 215, in _import_notes
    upserted_notes_data, skipped_notes_data = ankihub_db.upsert_notes_data(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/db/db.py", line 161, in upsert_notes_data
    AnkiHubNote.insert_many(chunk).on_conflict_replace().execute()

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 2011, in inner
    return method(self, database, *args, **kwargs)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 2082, in execute
    return self._execute(database)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 2887, in _execute
    return super(Insert, self)._execute(database)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 2600, in _execute
    cursor = database.execute(self)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 3299, in execute
    return self.execute_sql(sql, params)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 3291, in execute_sql
    cursor.execute(sql, params or ())

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 3059, in __exit__
    reraise(new_type, new_type(exc_value, *exc_args), traceback)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 192, in reraise
    raise value.with_traceback(tb)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/lib/peewee.py", line 3291, in execute_sql
    cursor.execute(sql, params or ())

peewee.DatabaseError: database disk image is malformed


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


Traceback (most recent call last):

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

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/ankihub_sync.py", line 69, in <lambda>
    on_done=lambda future: on_new_deck_subscriptions_done(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/ankihub_sync.py", line 28, in on_new_deck_subscriptions_done
    on_done(future_with_exception(future.exception()))

  File "/Users/mariahkim/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/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/utils.py", line 39, in wrapper
    return func(*args, **kwargs)

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 75, in _on_install_done
    import_results: List[AnkiHubImportResult] = 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 "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 63, in <lambda>
    task=lambda: _download_and_install_decks_inner(

  File "/Users/mariahkim/Library/Application Support/Anki2/addons21/1322529746/gui/operations/deck_installation.py", line 172, in _download_and_install_decks_inner
    raise exceptions[0]

1322529746.gui.exceptions.DeckDownloadAndInstallError: Error while downloading and installing deck c784aa1c-edc1-4393-bb86-01c4efaad3c3: database disk image is malformed

Sentry link (for developers)

Did you restore from a backup?