chroma-core/chroma · error · ChromaValueError

Model name cannot be updated

Error message

Model name cannot be updated

What it means

Error "Model name cannot be updated" thrown in chroma-core/chroma.

Source

Thrown at clients/new-js/packages/ai-embeddings/perplexity/src/index.ts:98

  public defaultSpace(): EmbeddingFunctionSpace {
    return "cosine";
  }

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

  public getConfig(): PerplexityConfig {
    return {
      api_key_env_var: this.apiKeyEnvVar,
      model_name: this.modelName,
      dimensions: this.dimensions,
    };
  }

  public validateConfigUpdate(newConfig: Record<string, unknown>): void {
    if (this.getConfig().model_name !== newConfig.model_name) {
      throw new ChromaValueError("Model name cannot be updated");
    }
  }

  public static validateConfig(config: PerplexityConfig): void {
    validateConfigSchema(config, NAME);
  }
}

registerEmbeddingFunction(NAME, PerplexityEmbeddingFunction);

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at clients/new-js/packages/ai-embeddings/perplexity/src/index.ts:98 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/cd83e86b386e5aa6. Report an issue: GitHub.