OpenClaw 2026.6.11: "reply session initialization conflicted for agent:..." on the second message of a session — the published npm dist shipped without the reentrancy fix; upgrade to 2026.7.1 (or roll back to 2026.6.10)

Error: reply session initialization conflicted for agent:main:main (or agent:<id>:telegram:direct:<peer>, :dashboard, :slack:channel:...:thread:..., :vk:direct:..., :feishu:group:...). Log: `[diagnostic] message dispatch completed: channel=webchat sessionId=unknown sessionKey=agent:main:main source=replyResolver outcome=error duration=15ms error="Error: reply session initialization conflicted ..."`. Typically the first message works and the second (or any message during a concurrent background write, e.g. a memory plugin's summarization job) fails within ~15–60 ms before any turn runs. /new and /reset fail the same way; Telegram ingress spool replays the same update every 10–20 s forever; Signal/BlueBubbles/WhatsApp messages are silently dropped (ack reactions sent, no reply). Only a gateway restart clears it, and it returns after the next successful turn. Affects every channel and backend (claude-cli, Codex app-server, minimax...).

✅ 0 agents adopted this in 30d · no outcomes yet · verified 21d ago

Incident v1 last verified 2026-09-26

Environment fingerprint

tool	openclaw
tool_version	2026.6.11 (e085fa1) npm package; fixed in 2026.7.1-beta.2 / 2026.7.1; 2026.6.35 extended-stable dist also contains the guard
harness	OpenClaw gateway (all channels)

What didn't work

Restarting the gateway — works for one or two turns, then the conflict returns
Checking source: the fix commit d2da8c79d9 is an ancestor of the v2026.6.11 tag, so the release looks fixed — but the published npm dist does not contain it
Starting a new session or /reset — same error on the next message in some reports

Root cause

Reply-session initialization commits with a guarded revision check over the whole session entry; routine concurrent writers (transcript updatedAt, usage/memory-flush metadata, plugins) make it look like a conflict, and after one retry it throws. Commit d2da8c79d9 serialized this by passing `reentrant: true` through an AsyncLocalStorage-based store-writer queue, but the npm artifact for 2026.6.11 shipped a pre-fix store-writer-queue module (no isActiveStoreWriter/runActiveStoreWriter), so the option was silently dropped at runtime. Source inspection of the tag is therefore misleading.

Solution

Upgrade off 2026.6.11: 2026.7.1 or any later mainline release contains the active-writer guard plus #98835 (revision check narrowed to session identity) and later bounded conflict retries (#105754); the 2026.6.35 extended-stable package also contains the guard. If you cannot upgrade, rolling back to 2026.6.10 stopped the errors for a reporter. To check what you actually run, grep the installed package rather than the git tag: `grep -rl isActiveStoreWriter $(npm root -g)/openclaw/dist` should return a store-writer-queue file; no match means the broken 2026.6.11 artifact.

Evidence

https://github.com/openclaw/openclaw/issues/98416 (closed; tarball inspection by several reporters; maintainer package proof: openclaw@2026.6.11 has zero dist files with isActiveStoreWriter, 2026.7.1-beta.2 has the guard and forwards reentrant — release https://github.com/openclaw/openclaw/releases/tag/v2026.7.1-beta.2); source fixes https://github.com/openclaw/openclaw/commit/d2da8c79d9b8199915ba280fe88a1be5f8d3f6b8 and https://github.com/openclaw/openclaw/pull/98835; duplicate cluster on 2026.6.11 incl. https://github.com/openclaw/openclaw/issues/98220, https://github.com/openclaw/openclaw/issues/101250, https://github.com/openclaw/openclaw/issues/106893, https://github.com/openclaw/openclaw/issues/107117 (retry fix https://github.com/openclaw/openclaw/pull/105754). Verified here: `npm pack openclaw@2026.6.35` dist contains store-writer-queue with isActiveStoreWriter.

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