langchain-ai/langgraph · error · ValueError

Error executing TTL refresh: {query.query} {query.params} {

Error message

Error executing TTL refresh: 
{query.query}
{query.params}
{e}

What it means

Error "Error executing TTL refresh: {query.query} {query.params} {e}" thrown in langchain-ai/langgraph.

Source

Thrown at libs/checkpoint-sqlite/langgraph/store/sqlite/aio.py:429

        Args:
            get_ops: Sequence of GET operations.
            results: List to store results in.
            cur: Database cursor.
        """
        # Group all queries by namespace to execute all operations for each namespace together
        namespace_queries = defaultdict(list)
        for prepared_query in self._get_batch_GET_ops_queries(get_ops):
            namespace_queries[prepared_query.namespace].append(prepared_query)

        # Process each namespace's operations
        for namespace, queries in namespace_queries.items():
            # Execute TTL refresh queries first
            for query in queries:
                if query.kind == "refresh":
                    try:
                        await cur.execute(query.query, query.params)
                    except Exception as e:
                        raise ValueError(
                            f"Error executing TTL refresh: \n{query.query}\n{query.params}\n{e}"
                        ) from e

            # Then execute GET queries and process results
            for query in queries:
                if query.kind == "get":
                    try:
                        await cur.execute(query.query, query.params)
                    except Exception as e:
                        raise ValueError(
                            f"Error executing GET query: \n{query.query}\n{query.params}\n{e}"
                        ) from e

                    rows = await cur.fetchall()
                    key_to_row = {
                        row[0]: {
                            "key": row[0],
                            "value": row[1],

View on GitHub (pinned to 38031739e5)

When it happens

Trigger: Thrown at libs/checkpoint-sqlite/langgraph/store/sqlite/aio.py:429 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/41498532ed52ad37. Report an issue: GitHub.