chroma-core/chroma · error · ChromaValueError

Embedding function with name ${name} is already registered.

Error message

Embedding function with name ${name} is already registered.

What it means

Error "Embedding function with name ${name} is already registered." thrown in chroma-core/chroma.

Source

Thrown at clients/new-js/packages/chromadb/src/embedding-function.ts:198

]);

/**
 * Union type covering both dense and sparse embedding functions.
 */
export type AnyEmbeddingFunction = EmbeddingFunction | SparseEmbeddingFunction;

/**
 * Registers an embedding function in the global registry.
 * @param name - Unique name for the embedding function
 * @param fn - Embedding function class to register
 * @throws ChromaValueError if name is already registered
 */
export const registerEmbeddingFunction = (
  name: string,
  fn: EmbeddingFunctionClass,
) => {
  if (knownEmbeddingFunctions.has(name)) {
    throw new ChromaValueError(
      `Embedding function with name ${name} is already registered.`,
    );
  }
  knownEmbeddingFunctions.set(name, fn);
};

/**
 * Registers a sparse embedding function in the global registry.
 * @param name - Unique name for the sparse embedding function
 * @param fn - Sparse embedding function class to register
 * @throws ChromaValueError if name is already registered
 */
export const registerSparseEmbeddingFunction = (
  name: string,
  fn: SparseEmbeddingFunctionClass,
) => {
  if (knownSparseEmbeddingFunctions.has(name)) {
    throw new ChromaValueError(

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at clients/new-js/packages/chromadb/src/embedding-function.ts:198 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/f937b539750a7791. Report an issue: GitHub.