BerriAI/litellm · error · Exception

Operation failed: {error}

Error message

Operation failed: {error}

What it means

Vertex AI RAG ingestion polling result: the long-running operation finished ('done': true) but its response contains an 'error' object, meaning the ingestion/corpus operation failed server-side; the error payload is included in the message.

Source

Thrown at litellm/rag/ingestion/vertex_ai_ingestion.py:266

            response = await client.get(
                url,
                headers={
                    "Authorization": f"Bearer {access_token}",
                },
            )

            if response.status_code != 200:
                error_msg = f"Failed to poll operation: {response.text}"
                verbose_logger.error(error_msg)
                raise Exception(error_msg)

            operation_data = response.json()

            if operation_data.get("done"):
                # Check for errors
                if "error" in operation_data:
                    error = operation_data["error"]
                    raise Exception(f"Operation failed: {error}")

                # Extract corpus name from response
                corpus_name = operation_data.get("response", {}).get("name", "")
                if corpus_name:
                    return corpus_name
                else:
                    raise Exception(f"No corpus name in operation response: {operation_data}")

            verbose_logger.debug("Operation not done yet, attempt %s/%s", attempt + 1, max_retries)
            await asyncio.sleep(retry_delay)

        raise Exception(f"Operation timed out after {max_retries} attempts")

    async def _upload_file_to_corpus(
        self,
        rag_corpus_id: str,
        filename: str,
        file_content: bytes,

View on GitHub (pinned to 77b7c6c40c)

Solutions

1. Inspect the operation error details and fix the underlying cause (permissions, quotas, invalid config).

When it happens

Trigger: Thrown at litellm/rag/ingestion/vertex_ai_ingestion.py:266 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/d7fe045575e9bee4. Report an issue: GitHub.