langchain-ai/langgraph · error · LangGraphDeprecatedSinceV10

`config_schema` is deprecated and will be removed. Please us

Error message

`config_schema` is deprecated and will be removed. Please use `context_schema` instead.

What it means

Error "`config_schema` is deprecated and will be removed. Please use `context_schema` instead." thrown in langchain-ai/langgraph.

Source

Thrown at libs/langgraph/langgraph/func/__init__.py:450

        my_workflow.invoke(3, config)  # 0 (previous was None)
        my_workflow.invoke(1, config)  # 6 (previous was 3 * 2 from the previous invocation)
        ```
    """

    def __init__(
        self,
        checkpointer: BaseCheckpointSaver | None = None,
        store: BaseStore | None = None,
        cache: BaseCache | None = None,
        context_schema: type[ContextT] | None = None,
        cache_policy: CachePolicy | None = None,
        retry_policy: RetryPolicy | Sequence[RetryPolicy] | None = None,
        timeout: float | timedelta | TimeoutPolicy | None = None,
        **kwargs: Unpack[DeprecatedKwargs],
    ) -> None:
        """Initialize the entrypoint decorator."""
        if (config_schema := kwargs.get("config_schema", MISSING)) is not MISSING:
            warnings.warn(
                "`config_schema` is deprecated and will be removed. Please use `context_schema` instead.",
                category=LangGraphDeprecatedSinceV10,
                stacklevel=2,
            )
            if context_schema is None:
                context_schema = cast(type[ContextT], config_schema)

        if (retry := kwargs.get("retry", MISSING)) is not MISSING:
            warnings.warn(
                "`retry` is deprecated and will be removed. Please use `retry_policy` instead.",
                category=LangGraphDeprecatedSinceV05,
                stacklevel=2,
            )
            if retry_policy is None:
                retry_policy = cast("RetryPolicy | Sequence[RetryPolicy]", retry)

        self.checkpointer = checkpointer
        self.store = store

View on GitHub (pinned to 38031739e5)

When it happens

Trigger: Thrown at libs/langgraph/langgraph/func/__init__.py:450 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/c9a1fd41dc369ac2. Report an issue: GitHub.