BerriAI/litellm · error · ContextWindowExceededError
AI21Exception - {original_exception.message}
Error message
AI21Exception - {original_exception.message} What it means
Error "AI21Exception - {original_exception.message}" thrown in BerriAI/litellm.
Source
Thrown at litellm/litellm_core_utils/exception_mapping_utils.py:1505
llm_provider="huggingface",
model=model,
request=getattr(original_exception, "request", None),
)
def _map_ai21_exception(
*,
model: str,
original_exception: _ProviderHTTPException,
custom_llm_provider: str,
error_str: str,
exception_type: str,
exception_provider: str,
extra_information: str,
) -> None:
if hasattr(original_exception, "message"):
if "Prompt has too many tokens" in original_exception.message:
raise ContextWindowExceededError(
message=f"AI21Exception - {original_exception.message}",
model=model,
llm_provider="ai21",
response=getattr(original_exception, "response", None),
)
if "Bad or missing API token." in original_exception.message:
raise BadRequestError(
message=f"AI21Exception - {original_exception.message}",
model=model,
llm_provider="ai21",
response=getattr(original_exception, "response", None),
)
if hasattr(original_exception, "status_code"):
if original_exception.status_code == 401:
raise AuthenticationError(
message=f"AI21Exception - {original_exception.message}",
llm_provider="ai21",
model=model,View on GitHub (pinned to 6c2dcb801b)
Solutions
- Inspect the AI21 error message; check model and inputs.
When it happens
Trigger: Thrown at litellm/litellm_core_utils/exception_mapping_utils.py:1505 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/48ecfeb39a953ec7.
Report an issue: GitHub.