BerriAI/litellm · error · MockTestingParamsDisabledError

Mock testing request params are disabled on this proxy: {',

Error message

Mock testing request params are disabled on this proxy: {', '.join(params)}. An admin can enable them by setting `general_settings.dangerously_allow_mock_testing_request_params: true` in config.yaml. This setting cannot be changed from the Admin UI or the API.

What it means

Error "Mock testing request params are disabled on this proxy: {', '.join(params)}. An admin can enable them by setting `general_settings.dangerously_allow_mock_testing_request_params: true` in config.yaml. This setting cannot be changed from the Admin UI or the API." thrown in BerriAI/litellm.

Source

Thrown at litellm/proxy/route_llm_request.py:211

                    f"An admin can enable them by setting `general_settings.{MOCK_TESTING_CONFIG_KEY}: true` "
                    "in config.yaml. This setting cannot be changed from the Admin UI or the API."
                )
            },
        )


def raise_if_mock_testing_params_disallowed(data: Mapping[str, object], *, allowed: bool) -> None:
    """Reject client-supplied mock testing params unless an admin opted in.

    Rejecting (rather than silently dropping) keeps a request that asked for a
    synthetic failure from returning a normal success, which reads as a passing
    fallback test that never ran.
    """
    if allowed:
        return
    present: Final = tuple(name for name in GATED_MOCK_PARAM_NAMES if name in data)
    if present:
        raise MockTestingParamsDisabledError(params=present)


def mock_testing_params_allowed() -> bool:
    """Read the opt-in from the running proxy's ``general_settings``."""
    from litellm.proxy import proxy_server

    return proxy_server.general_settings.get(MOCK_TESTING_CONFIG_KEY, False) is True


def get_team_id_from_data(data: dict) -> str | None:
    """
    Get the team id from the data's metadata or litellm_metadata params.
    """
    if "metadata" in data and data["metadata"] is not None and "user_api_key_team_id" in data["metadata"]:
        return data["metadata"].get("user_api_key_team_id")
    elif (
        "litellm_metadata" in data
        and data["litellm_metadata"] is not None

View on GitHub (pinned to 77b7c6c40c)

Solutions

1. Remove mock-testing-only parameters from the request, or have an admin set general_settings.dangerously_allow_mock_testing_request_params: true in config.yaml.

When it happens

Trigger: Thrown at litellm/proxy/route_llm_request.py:211 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of BerriAI/litellm@77b7c6c40c (2026-08-18). Data as JSON: /api/errors/fe5673ed487e1375. Report an issue: GitHub.