chroma-core/chroma · error · ChromaValueError

No embedding function found for collection '${this._name}'.

Error message

No embedding function found for collection '${this._name}'. You can either provide embeddings directly, or ensure the appropriate embedding function package (e.g. @chroma-core/default-embed) is installed.

What it means

Error "No embedding function found for collection '${this._name}'. You can either provide embeddings directly, or ensure the appropriate embedding function package (e.g. @chroma-core/default-embed) is installed." thrown in chroma-core/chroma.

Source

Thrown at clients/new-js/packages/chromadb/src/collection.ts:463

  protected async path(): Promise<{
    tenant: string;
    database: string;
    collection_id: string;
  }> {
    return {
      tenant: this.tenant,
      database: this.database,
      collection_id: this.id,
    };
  }

  private async embed(inputs: string[], isQuery: boolean): Promise<number[][]> {
    const embeddingFunction =
      this._embeddingFunction ?? this.getSchemaEmbeddingFunction();

    if (!embeddingFunction) {
      throw new ChromaValueError(
        `No embedding function found for collection '${this._name}'. ` +
          "You can either provide embeddings directly, or ensure the appropriate " +
          "embedding function package (e.g. @chroma-core/default-embed) is installed.",
      );
    }

    if (isQuery && embeddingFunction.generateForQueries) {
      return await embeddingFunction.generateForQueries(inputs);
    }

    return await embeddingFunction.generate(inputs);
  }

  private async sparseEmbed(
    sparseEmbeddingFunction: SparseEmbeddingFunction,
    inputs: string[],
    isQuery: boolean,
  ): Promise<SparseVector[]> {

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at clients/new-js/packages/chromadb/src/collection.ts:463 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/f6188b370bdf09ab. Report an issue: GitHub.