BerriAI/litellm · error · AuthenticationError

AnthropicException - {error_str}

Error message

AnthropicException - {error_str}

What it means

Error "AnthropicException - {error_str}" thrown in BerriAI/litellm.

Source

Thrown at litellm/litellm_core_utils/exception_mapping_utils.py:548

            model=model,
            llm_provider="anthropic",
        )
    if "content filtering policy" in error_str:
        raise ContentPolicyViolationError(
            message=f"AnthropicError - {error_str}",
            model=model,
            llm_provider="anthropic",
        )
    if "Client error '400 Bad Request'" in error_str:
        raise BadRequestError(
            message=f"AnthropicError - {error_str}",
            model=model,
            llm_provider="anthropic",
        )
    if hasattr(original_exception, "status_code"):
        verbose_logger.debug("status_code: %s", original_exception.status_code)
        if original_exception.status_code == 401:
            raise AuthenticationError(
                message=f"AnthropicException - {error_str}",
                llm_provider="anthropic",
                model=model,
            )
        elif original_exception.status_code == 400 or original_exception.status_code == 413:
            raise BadRequestError(
                message=f"AnthropicException - {error_str}",
                model=model,
                llm_provider="anthropic",
            )
        elif original_exception.status_code == 404:
            raise NotFoundError(
                message=f"AnthropicException - {error_str}",
                model=model,
                llm_provider="anthropic",
            )
        elif original_exception.status_code == 408:
            raise Timeout(

View on GitHub (pinned to 6c2dcb801b)

Solutions

1. Inspect the Anthropic exception message; adjust the request or credentials accordingly.

When it happens

Trigger: Thrown at litellm/litellm_core_utils/exception_mapping_utils.py:548 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of BerriAI/litellm@6c2dcb801b (2026-08-15). Data as JSON: /api/errors/a437e00c5ab6b924. Report an issue: GitHub.