langflow-ai/langflow · error · HTTPException

Invalid flow-version provider_data payload: {detail}

Error message

Invalid flow-version provider_data payload: {detail}

What it means

Error "Invalid flow-version provider_data payload: {detail}" thrown in langflow-ai/langflow.

Source

Thrown at src/backend/base/langflow/api/v1/mappers/deployments/watsonx_orchestrate/mapper.py:1490

                msg = "Invalid flow-version provider_data payload: connections must be a dict."
                raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=msg)
            try:
                item_data_by_snapshot_id[snapshot_id] = self._validate_slot(
                    self.api_payloads.deployment_item_data,
                    {
                        "app_ids": list(raw_connections.keys()),
                        "tool_name": snapshot.name,
                        "tool_display_name": provider_data["display_name"],
                    },
                )
            except KeyError as exc:
                raise HTTPException(
                    status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
                    detail=f"Failed to load tool data for tool id {snapshot_id}",
                ) from exc
            except AdapterPayloadValidationError as exc:
                detail = exc.format_first_error()
                raise HTTPException(
                    status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
                    detail=f"Invalid flow-version provider_data payload: {detail}",
                ) from exc

        return item_data_by_snapshot_id

    def _shape_provider_deployment_list_entry(self, item: ItemResult) -> dict[str, Any]:
        item_provider_data = item.provider_data
        if not isinstance(item_provider_data, dict):
            msg = "Invalid deployment list item provider_data payload: expected object."
            raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=msg)
        return {
            **item_provider_data,
            "id": str(item.id),
            "name": item.name,
            "type": item.type,
            "created_at": item.created_at,
            "updated_at": item.updated_at,

View on GitHub (pinned to 976ec789d2)

Solutions

1. Fix the flow-version provider_data as indicated in the error detail.

When it happens

Trigger: Occurs when a flow-version provider_data payload fails validation; the validation detail is included.

Common situations: See trigger scenarios.

AI-assisted analysis of langflow-ai/langflow@976ec789d2 (2026-08-14). Data as JSON: /api/errors/b305fb2f4cb5519f. Report an issue: GitHub.