deepseek-ai/deepseek-harness · error · WorkspaceOrderInvalidError

cannot reorder unknown workspace '${workspaceId}'

Error message

cannot reorder unknown workspace '${workspaceId}'

What it means

Error "cannot reorder unknown workspace '${workspaceId}'" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/workspace/workspace/src/index.ts:213

   * published. Unknown ids are an idempotent no-op for domain callers.
   * @param id - Workspace registration to remove.
   * @returns `true` when a record was deleted, `false` when it was unknown.
   */
  delete(id: WorkspaceId): Promise<boolean> {
    return this.enqueueOperation(() => this.deleteKnown(id))
  }

  /**
   * Move one workspace within the durable display order, DOM-insertBefore-like.
   * With an anchor it lands before that workspace; without one it appends.
   * @param id - Workspace to move.
   * @param beforeId - Workspace anchor; omitted appends.
   * @returns the complete committed workspace order.
   */
  insertBefore(id: WorkspaceId, beforeId?: WorkspaceId): Promise<readonly WorkspaceId[]> {
    return this.enqueueOperation(async () => {
      const state = this.requireState()
      if (!state.workspaceIds.includes(id)) throw new WorkspaceOrderInvalidError(id)
      if (beforeId !== undefined && !state.workspaceIds.includes(beforeId)) {
        throw new WorkspaceOrderInvalidError(beforeId)
      }
      if (beforeId === id) return state.workspaceIds
      const without = state.workspaceIds.filter(workspaceId => workspaceId !== id)
      const at = beforeId === undefined ? without.length : without.indexOf(beforeId)
      const workspaceIds = [...without.slice(0, at), id, ...without.slice(at)]
      if (sameIds(workspaceIds, state.workspaceIds)) return state.workspaceIds
      await this.setState({ ...state, workspaceIds })
      return workspaceIds
    })
  }

  /**
   * The registry-global archive set: sessions hidden from every grouping
   * surface. Archiving never touches workspace accounting — an archived
   * session keeps its `sessionIds` slot so unarchiving restores its position.
   * @returns the archived session ids in archive order.

View on GitHub (pinned to b150a551b8)

Solutions

1. Pass a workspace id that exists in the registry when reordering.

When it happens

Trigger: Thrown at packages/workspace/workspace/src/index.ts:213 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/dd3eaf922964262d. Report an issue: GitHub.