deepseek-ai/deepseek-harness · error · SessionQueryError

SESSION_QUERY_SESSION_NOT_FOUND

SESSION_QUERY_SESSION_NOT_FOUND

Error message

session "${sessionId}" not found

What it means

Error "session "${sessionId}" not found" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/session-query/session-query/src/corpus.ts:97

  /**
   * Load one logical source, preferring a detached live snapshot.
   *
   * A known live target never consults persistence, so an optional backend's
   * failure cannot make current in-memory history unreadable.
   * @param sessionId - session to resolve.
   * @param signal - optional cancellation for persisted source resolution.
   * @returns detached live-preferred header and events.
   */
  async load(sessionId: SessionId, signal?: AbortSignal): Promise<LogicalSession> {
    signal?.throwIfAborted()
    const live = this._ctx.sessions.get(sessionId)
    if (live !== undefined) {
      const snapshot = snapshotLive(live)
      signal?.throwIfAborted()
      return snapshot
    }
    const persistence = this._persistence
    if (persistence === undefined) throw notFound(sessionId)
    const listed = (await listPersisted(persistence, signal)).find(header => header.id === sessionId)
    signal?.throwIfAborted()
    if (listed === undefined) throw notFound(sessionId)
    const loaded = await inspectPersisted(persistence, sessionId, signal)
    signal?.throwIfAborted()
    const attached = this._ctx.sessions.get(sessionId)
    if (attached !== undefined) {
      const snapshot = snapshotLive(attached)
      signal?.throwIfAborted()
      return snapshot
    }
    assertSessionHeadersCompatible(loaded.meta, listed)
    const snapshot = {
      header: structuredClone(loaded.meta),
      events: loaded.events.map(event => structuredClone(event)),
    }
    signal?.throwIfAborted()
    return snapshot

View on GitHub (pinned to b150a551b8)

Solutions

1. Verify the session id exists; list sessions and use a valid id.

When it happens

Trigger: Thrown at packages/session-query/session-query/src/corpus.ts:97 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/5f72929221acb4f5. Report an issue: GitHub.