Mintplex-Labs/anything-llm · error

Invalid namespace - has it been collected and populated yet?

Error message

Invalid namespace - has it been collected and populated yet?

What it means

Existence guard in PineconeDB.performSimilaritySearch: the target namespace does not exist in Pinecone, usually because documents have not been embedded/collected into it yet, so there is nothing to search.

Source

Thrown at server/utils/vectorDbProviders/pinecone/index.js:276

    return {
      message: `Namespace ${namespace} was deleted along with ${details.vectorCount} vectors.`,
    };
  }

  async performSimilaritySearch({
    namespace = null,
    input = "",
    LLMConnector = null,
    similarityThreshold = 0.25,
    topN = 4,
    filterIdentifiers = [],
  }) {
    if (!namespace || !input || !LLMConnector)
      throw new Error("Invalid request to performSimilaritySearch.");

    const { pineconeIndex } = await this.connect();
    if (!(await this.namespaceExists(pineconeIndex, namespace)))
      throw new Error(
        "Invalid namespace - has it been collected and populated yet?"
      );

    const queryVector = await LLMConnector.embedTextInput(input);
    const { contextTexts, sourceDocuments } = await this.similarityResponse({
      client: pineconeIndex,
      namespace,
      queryVector,
      similarityThreshold,
      topN,
      filterIdentifiers,
    });

    const sources = sourceDocuments.map((doc, i) => {
      return { metadata: doc, text: contextTexts[i] };
    });
    return {
      contextTexts,

View on GitHub (pinned to 3aec848f28)

Solutions

1. Embed documents into the namespace first so it is populated.
2. Verify the namespace name.

When it happens

Trigger: A Pinecone query targeted a namespace that has not been collected or populated.

Common situations: This error is raised at runtime in server/utils/vectorDbProviders/pinecone/index.js. It occurs when the required configuration for this provider is missing or invalid (unset environment variables, empty API key or base path), when the external service is unreachable or returns an unexpected response, or when invalid input reaches the call site. To prevent it, validate the relevant provider settings and environment variables at startup and confirm the service is reachable before this code path executes.

AI-assisted analysis of Mintplex-Labs/anything-llm@3aec848f28 (2026-08-18). Data as JSON: /api/errors/0554ef10cf94aba9. Report an issue: GitHub.