HKUDS/DeepTutor · error · ValueError

Knowledge base does not exist: {kb_name}

Error message

Knowledge base does not exist: {kb_name}

What it means

Error "Knowledge base does not exist: {kb_name}" thrown in HKUDS/DeepTutor.

Source

Thrown at deeptutor/knowledge/add_documents.py:165

class DocumentAdder:
    """Stage and index new files through a KB's bound RAG provider."""

    def __init__(
        self,
        kb_name: str,
        base_dir: str = DEFAULT_BASE_DIR,
        api_key: str | None = None,
        base_url: str | None = None,
        progress_tracker=None,
        rag_provider: str | None = None,
    ):
        self.kb_name = kb_name
        self.base_dir = Path(base_dir)
        self.kb_dir = self.base_dir / kb_name

        if not self.kb_dir.exists():
            raise ValueError(f"Knowledge base does not exist: {kb_name}")

        self.raw_dir = self.kb_dir / "raw"
        self.llamaindex_storage_dir = self.kb_dir / "llamaindex_storage"
        self.legacy_rag_storage_dir = self.kb_dir / "rag_storage"
        self.metadata_file = self.kb_dir / "metadata.json"

        # Incremental adds must use the engine DeepTutor has bound to this KB. An
        # explicit rag_provider (from the API, already matched against the KB)
        # wins; otherwise use the shared binding resolver.
        if rag_provider:
            self.rag_provider = normalize_provider_name(rag_provider)
        else:
            self.rag_provider = self._provider_from_binding()

        has_provider_index = has_ready_provider_index(self.kb_dir, self.rag_provider)

        if (
            self.rag_provider == DEFAULT_PROVIDER

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/knowledge/add_documents.py:165 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/46ad95724ff41ce5. Report an issue: GitHub.