HKUDS/DeepTutor · error · HTTPException

Knowledge base '{name}' already exists

Error message

Knowledge base '{name}' already exists

What it means

Error "Knowledge base '{name}' already exists" thrown in HKUDS/DeepTutor.

Source

Thrown at deeptutor/api/routers/knowledge.py:2648

async def create_knowledge_base(
    background_tasks: BackgroundTasks,
    name: str = Form(...),
    files: list[UploadFile] = File(default=[]),
    rag_provider: str = Form(DEFAULT_PROVIDER),
    pageindex_mode: str = Form(""),
    rel_paths: list[str] = Form(None),
):
    """Create a new knowledge base and initialize it with files."""
    try:
        try:
            name = validate_knowledge_base_name(name)
        except ValueError as exc:
            raise HTTPException(status_code=400, detail=str(exc)) from exc

        manager = get_kb_manager()
        kb_base_dir = _current_kb_base_dir()
        if name in manager.list_knowledge_bases():
            raise HTTPException(status_code=400, detail=f"Knowledge base '{name}' already exists")

        rag_provider = _validate_registered_provider(rag_provider)
        pageindex_mode = str(pageindex_mode or "").strip().lower()
        if rag_provider == PAGEINDEX_OSS_PROVIDER and pageindex_mode not in {
            "",
            "flash",
            "standard",
        }:
            raise HTTPException(
                status_code=400,
                detail="PageIndex OSS mode must be 'flash', 'standard', or omitted.",
            )
        _assert_provider_ready(rag_provider)
        _enforce_provider_formats(rag_provider, files)
        allowed_extensions = FileTypeRouter.get_supported_extensions()
        _validate_upload_batch(files, allowed_extensions=allowed_extensions, rel_paths=rel_paths)

        logger.info(f"Creating KB: {name} (provider={rag_provider})")

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/api/routers/knowledge.py:2648 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/DeepTutor@3e82f13042 (2026-08-27). Data as JSON: /api/errors/7e32b9b62a002864. Report an issue: GitHub.