chroma-core/chroma · error · ChromaValueError

Invalid HNSW config provided in UpdateCollectionConfiguratio

Error message

Invalid HNSW config provided in UpdateCollectionConfiguration

What it means

Error "Invalid HNSW config provided in UpdateCollectionConfiguration" thrown in chroma-core/chroma.

Source

Thrown at clients/new-js/packages/chromadb/src/collection-configuration.ts:196

 */
export const processUpdateCollectionConfig = async ({
  collectionName,
  currentConfiguration,
  currentEmbeddingFunction,
  newConfiguration,
  client,
}: {
  collectionName: string;
  currentConfiguration: CollectionConfiguration;
  currentEmbeddingFunction?: EmbeddingFunction;
  newConfiguration: UpdateCollectionConfiguration;
  client: ChromaClient;
}): Promise<{
  updateConfiguration?: ApiUpdateCollectionConfiguration;
  updateEmbeddingFunction?: EmbeddingFunction;
}> => {
  if (newConfiguration.hnsw && typeof newConfiguration.hnsw !== "object") {
    throw new ChromaValueError(
      "Invalid HNSW config provided in UpdateCollectionConfiguration",
    );
  }

  if (newConfiguration.spann && typeof newConfiguration.spann !== "object") {
    throw new ChromaValueError(
      "Invalid SPANN config provided in UpdateCollectionConfiguration",
    );
  }

  const embeddingFunction =
    currentEmbeddingFunction ||
    (await getEmbeddingFunction({
      client,
      efConfig: currentConfiguration.embeddingFunction ?? undefined,
    }));

  const newEmbeddingFunction = newConfiguration.embeddingFunction;

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at clients/new-js/packages/chromadb/src/collection-configuration.ts:196 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of chroma-core/chroma@aecdd12c8a (2026-08-16). Data as JSON: /api/errors/c4846460b00e2763. Report an issue: GitHub.