chroma-core/chroma · error · Error

The DefaultEmbeddingFunction's 'model' cannot be changed aft

Error message

The DefaultEmbeddingFunction's 'model' cannot be changed after initialization.

What it means

Error "The DefaultEmbeddingFunction's 'model' cannot be changed after initialization." thrown in chroma-core/chroma.

Source

Thrown at clients/new-js/packages/ai-embeddings/default-embed/src/index.ts:115

    return "cosine";
  }

  public supportedSpaces(): EmbeddingFunctionSpace[] {
    return ["cosine", "l2", "ip"];
  }

  public getConfig(): DefaultEmbeddingFunctionConfig {
    return {
      model_name: this.modelName,
      revision: this.revision,
      dtype: this.dtype,
      quantized: this.quantized,
    };
  }

  public validateConfigUpdate(newConfig: DefaultEmbeddingFunctionConfig): void {
    if (this.getConfig().model_name !== newConfig.model_name) {
      throw new Error(
        "The DefaultEmbeddingFunction's 'model' cannot be changed after initialization.",
      );
    }
  }

  public static validateConfig(config: DefaultEmbeddingFunctionConfig): void {
    validateConfigSchema(config, "transformers");
  }
}

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at clients/new-js/packages/ai-embeddings/default-embed/src/index.ts:115 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/b85d96f7ef8448d7. Report an issue: GitHub.