langflow-ai/langflow · error · HTTPException

Failed to load tool data for tool id {snapshot_id}

Error message

Failed to load tool data for tool id {snapshot_id}

What it means

Error "Failed to load tool data for tool id {snapshot_id}" thrown in langflow-ai/langflow.

Source

Thrown at src/backend/base/langflow/api/v1/mappers/deployments/watsonx_orchestrate/mapper.py:1484

            if not isinstance(provider_data, dict) or not provider_data:
                msg = "Invalid flow-version provider_data payload: snapshot provider_data must be a non-empty object."
                raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=msg)

            raw_connections = provider_data.get("connections")
            if not isinstance(raw_connections, dict):
                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 {

View on GitHub (pinned to 976ec789d2)

Solutions

1. Verify the tool/snapshot id exists in the provider and retry.

When it happens

Trigger: Occurs when tool data for the given snapshot id cannot be loaded from the provider.

Common situations: See trigger scenarios.

AI-assisted analysis of langflow-ai/langflow@976ec789d2 (2026-08-14). Data as JSON: /api/errors/339f37b2c19b08b9. Report an issue: GitHub.