mem0ai/mem0 · error · ValueError

vector_search_api_endpoint is required for get operation

Error message

vector_search_api_endpoint is required for get operation

What it means

Error "vector_search_api_endpoint is required for get operation" thrown in mem0ai/mem0.

Source

Thrown at mem0/vector_stores/vertex_ai_vector_search.py:388

            return False
        except Exception as e:
            logger.error("Unexpected error during update: %s", str(e))
            logger.error("Stack trace: %s", traceback.format_exc())
            raise

    def get(self, vector_id: str) -> Optional[OutputData]:
        """
        Retrieve a vector by ID.
        Args:
            vector_id (str): ID of the vector to retrieve.
        Returns:
            Optional[OutputData]: Retrieved vector or None if not found.
        """
        logger.debug("Starting get for vector_id: %s", vector_id)

        try:
            if not self.vector_search_api_endpoint:
                raise ValueError("vector_search_api_endpoint is required for get operation")

            vector_search_client = aiplatform_v1.MatchServiceClient(
                client_options={"api_endpoint": self.vector_search_api_endpoint},
            )
            datapoint = aiplatform_v1.IndexDatapoint(datapoint_id=vector_id)

            query = aiplatform_v1.FindNeighborsRequest.Query(datapoint=datapoint, neighbor_count=1)
            request = aiplatform_v1.FindNeighborsRequest(
                index_endpoint=f"projects/{self.project_number}/locations/{self.region}/indexEndpoints/{self.endpoint_id}",
                deployed_index_id=self.deployment_index_id,
                queries=[query],
                return_full_datapoint=True,
            )

            try:
                response = vector_search_client.find_neighbors(request)
                logger.debug("Got response")

View on GitHub (pinned to 001c235229)

Solutions

1. Set vector_search_api_endpoint in the config before calling get().

When it happens

Trigger: Thrown at mem0/vector_stores/vertex_ai_vector_search.py:388 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of mem0ai/mem0@001c235229 (2026-08-15). Data as JSON: /api/errors/dcf822e88bbe8987. Report an issue: GitHub.