langchain-ai/langgraph · error · NotImplementedError

{AIO_ERROR_MSG}

Error message

{AIO_ERROR_MSG}

What it means

Error "{AIO_ERROR_MSG}" thrown in langchain-ai/langgraph.

Source

Thrown at libs/checkpoint-sqlite/langgraph/store/sqlite/base.py:1480

            results[original_op_idx] = items

    def _batch_list_namespaces_ops(
        self,
        list_ops: Sequence[tuple[int, ListNamespacesOp]],
        results: list[Result],
        cur: sqlite3.Cursor,
    ) -> None:
        queries = self._get_batch_list_namespaces_queries(list_ops)
        for (query, params), (idx, _) in zip(queries, list_ops, strict=False):
            cur.execute(query, params)
            results[idx] = [_decode_ns_text(row[0]) for row in cur.fetchall()]

    async def abatch(self, ops: Iterable[Op]) -> list[Result]:
        """Async batch operation - not supported in SqliteStore.

        Use AsyncSqliteStore for async operations.
        """
        raise NotImplementedError(_AIO_ERROR_MSG)


# Helper functions


def _ensure_index_config(
    index_config: SqliteIndexConfig,
) -> tuple[Any, SqliteIndexConfig]:
    """Process and validate index configuration."""
    index_config = index_config.copy()
    tokenized: list[tuple[str, Literal["$"] | list[str]]] = []
    tot = 0
    text_fields = index_config.get("text_fields") or ["$"]
    if isinstance(text_fields, str):
        text_fields = [text_fields]
    if not isinstance(text_fields, list):
        raise ValueError(f"Text fields must be a list or a string. Got {text_fields}")
    for p in text_fields:

View on GitHub (pinned to 38031739e5)

When it happens

Trigger: Thrown at libs/checkpoint-sqlite/langgraph/store/sqlite/base.py:1480 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of langchain-ai/langgraph@38031739e5 (2026-08-26). Data as JSON: /api/errors/2ffb342dc47478d7. Report an issue: GitHub.