# NousResearch/hermes-agent · Agent session row deletion causes silent message loss

## Open now

- Nothing open on GitHub.

A bug where deleting a session row while an agent is active causes all subsequent turns to be silently dropped due to a foreign key constraint failure, along with a fix that recreates the missing session row instead of dropping messages.

## TL;DR

- 3 member(s): 0 open issue(s), 1 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 #124117. Verify it addresses your case.
- **Recommended:** read PR #124117 (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: `resolved` · deciding PR(s): `pr-124117`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: 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

- #123583: \[Bug\]: a session row removed from the store under a live agent silently drops every later turn's messages — append_message FOREIGN KEY constraint failed, no retry, no trace

## Prior & competing PRs

- **#124117: fix(agent): a chat whose session row was deleted recreates it instead of dropping every later turn**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/session_persistence.py`, `agent/turn_explainers.py`, `hermes_state_errors.py`, `hermes_state_user_copy.py`, `tests/agent/test_session_row_under_live_agent_persist.py`, `website/docs/user-guide/sessions.md`, `website/i18n/zh-Hans/docusaurus-plugin-content-docs/current/user-guide/sessions.md`
- **#123641: fix(agent): heal a session row deleted under a live agent (#123583)**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `819c62469f1df585eab34c15bcf54d95136398ff`, `#124117`

## Fix status

- Merged to main in PR #124117 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-26`.