BerriAI/litellm · error · ValueError

Only premium users can use this endpoint + {CommonProxyError

Error message

Only premium users can use this endpoint + {CommonProxyErrors.not_premium_user.value}

What it means

Premium gate on the fine-tuning creation endpoint: premium_user is False, so this enterprise endpoint refuses to run and points at the not-a-premium-user error.

Source

Thrown at litellm/proxy/fine_tuning_endpoints/endpoints.py:112

        "hyperparameters": {
          "n_epochs": 4
        }
      }'
    ```
    """
    from litellm.proxy.proxy_server import (
        general_settings,
        llm_router,
        premium_user,
        proxy_config,
        proxy_logging_obj,
        version,
    )

    data = fine_tuning_request.model_dump(exclude_none=True)
    try:
        if premium_user is not True:
            raise ValueError(f"Only premium users can use this endpoint + {CommonProxyErrors.not_premium_user.value}")
        # Convert Pydantic model to dict

        verbose_proxy_logger.debug(
            "Request received by LiteLLM:\n%s",
            json.dumps(data, indent=4),
        )

        # Include original request and headers in the data
        base_llm_response_processor: Final = ProxyBaseLLMRequestProcessing(data=data)
        (
            data,
            litellm_logging_obj,
        ) = await base_llm_response_processor.common_processing_pre_call_logic(
            request=request,
            general_settings=general_settings,
            user_api_key_dict=user_api_key_dict,
            version=version,
            proxy_logging_obj=proxy_logging_obj,

View on GitHub (pinned to 77b7c6c40c)

Solutions

1. Set LITELLM_LICENSE to a valid LiteLLM Enterprise license key.
2. Get a trial key at https://www.litellm.ai/enterprise#trial.

Example fix

export LITELLM_LICENSE=<your-enterprise-key>

When it happens

Trigger: Thrown at litellm/proxy/fine_tuning_endpoints/endpoints.py:112 when the library encounters an invalid state.

Common situations: A premium-only fine-tuning endpoint was called without an Enterprise license.

AI-assisted analysis of BerriAI/litellm@77b7c6c40c (2026-08-18). Data as JSON: /api/errors/3c5bc8cdb6396b10. Report an issue: GitHub.