langflow-ai/langflow · error · HTTPException

Deployment provider account has no provider_key configured.

Error message

Deployment provider account has no provider_key configured.

What it means

Error "Deployment provider account has no provider_key configured." thrown in langflow-ai/langflow.

Source

Thrown at src/backend/base/langflow/api/v1/mappers/deployments/helpers.py:439

    db: DbSession,
) -> tuple[DeploymentServiceProtocol, BaseDeploymentMapper]:
    from langflow.api.v1.mappers.deployments.registry import get_deployment_mapper

    provider_account = await get_owned_provider_account_or_404(provider_id=provider_id, user_id=user_id, db=db)
    deployment_adapter = resolve_deployment_adapter(provider_account.provider_key)
    return deployment_adapter, get_deployment_mapper(provider_account.provider_key)


def resolve_deployment_adapter(
    provider_key: str,
) -> DeploymentServiceProtocol:
    try:
        adapter_key = require_non_empty(
            provider_key,
            "Deployment provider account has no provider_key configured.",
        )
    except ValueError as exc:
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail=str(exc),
        ) from exc

    try:
        deployment_adapter = get_deployment_adapter(adapter_key)
    except Exception as exc:
        logger.exception("Failed to resolve deployment adapter for key '%s': %s", adapter_key, exc)
        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(exc)) from exc
    if deployment_adapter is None:
        raise HTTPException(
            status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
            detail=f"No deployment adapter registered for provider_key '{adapter_key}'.",
        )
    return deployment_adapter


async def get_deployment_row_or_404(

View on GitHub (pinned to 976ec789d2)

Solutions

1. Configure a provider_key on the deployment provider account.

When it happens

Trigger: Occurs when the deployment provider account row has no provider_key configured, so no adapter can be selected.

Common situations: See trigger scenarios.

AI-assisted analysis of langflow-ai/langflow@976ec789d2 (2026-08-14). Data as JSON: /api/errors/160e3b4286ab4e3a. Report an issue: GitHub.