Before the error happened, I was…
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Error message (don't change this)
Anki 2.1.66 (70506aeb) Python 3.9.15 Qt 6.5.2 PyQt 6.5.2
Platform: Windows-10-10.0.26100
Flags: frz=True ao=True sv=2
Add-ons, last update check: 2026-06-03 17:44:46
Traceback (most recent call last):
File "C:\Users\MARCO\AppData\Roaming\Anki2\addons21\1322529746\gui\operations\ankihub_sync.py", line 247, in _schedule_post_sync_tasks
aqt.mw.taskman.run_in_background(aqt.mw.col.tags.clear_unused_tags, on_done=_on_clear_unused_tags_done)
File "aqt.taskman", line 62, in run_in_background
File "aqt.taskman", line 122, in _on_closures_pending
File "aqt.taskman", line 71, in <lambda>
File "aqt.taskman", line 90, in wrapped_done
File "aqt.sync", line 100, in on_future_done
File "anki.dbproxy", line 36, in begin
File "anki._backend", line 100, in db_begin
File "anki._backend", line 116, in _db_command
anki.errors.DBError: DbError { info: "SqliteFailure(Error { code: Unknown, extended_code: 1 }, Some(\"cannot start a transaction within a transaction\"))", kind: Other }