# NousResearch/hermes-agent · MoA preset errors cause silent session hangs

## Open now

- Nothing open on GitHub.

These issues and fixes concern MoA preset key errors that cause new conversation sessions to hang silently with no user-facing feedback. The fixes address surfacing stale preset errors and recovering stale model and cache state.

## TL;DR

- 4 member(s): 0 open issue(s), 2 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #66331. Verify it addresses your case.
- **Recommended:** read PR #66331 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `partially_resolved` · deciding PR(s): `pr-66331`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_PARTIAL`): some members are connected by structural evidence (shared changed files, or a closing/superseded reference); the rest are joined by an automated relevance judgement over their text.
- Members outside that structural core may belong to a different underlying problem.
- Pairwise link density `0.39`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Closed / duplicate issues

- #65847: New conversation sessions hang silently on desktop — MoA preset KeyError / OverflowError on API call with no user-facing error
- #65876: New conversation sessions hang silently — MoA preset KeyError

## Prior & competing PRs

- **#66331: fix(moa): surface stale presets without retries**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`; implication `superseded`
  - files: `agent/error_classifier.py`, `agent/errors.py`, `hermes_cli/moa_config.py`, `tests/hermes_cli/test_moa_config.py`
- **#66302: fix(runtime): recover stale model and cache state**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#66330`, `#66331`, `#66332`

## Fix status

- Merged to main in PR #66331 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-07-17`.