deepseek-ai/deepseek-harness · error · Error

llm-pi-ai: provider "${provider}" defaultInput must name at

Error message

llm-pi-ai: provider "${provider}" defaultInput must name at least one modality

What it means

Error "llm-pi-ai: provider "${provider}" defaultInput must name at least one modality" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/llm/llm-pi-ai/src/config.ts:423

    if (!Number.isInteger(maxRequestImageBytes) || maxRequestImageBytes <= 0) {
      throw new Error(`llm-pi-ai: provider "${provider}" maxRequestImageBytes must be a positive integer`)
    }
    const requestImagePixelBudget = source.requestImagePixelBudget ?? DEFAULT_REQUEST_IMAGE_PIXEL_BUDGET
    if (!Number.isSafeInteger(requestImagePixelBudget) || requestImagePixelBudget <= 0) {
      throw new Error(`llm-pi-ai: provider "${provider}" requestImagePixelBudget must be a positive safe integer`)
    }
    const requestImageMaxBytes = source.requestImageMaxBytes ?? DEFAULT_REQUEST_IMAGE_MAX_BYTES
    if (!Number.isSafeInteger(requestImageMaxBytes) || requestImageMaxBytes <= 0) {
      throw new Error(`llm-pi-ai: provider "${provider}" requestImageMaxBytes must be a positive safe integer`)
    }
    // Detached from the configuration object because pi-ai types `Model.input`
    // mutable. The schema's explicit default covers an absent key, so an empty
    // list here is always one someone typed — and unlike an entry's, nothing
    // below it can answer instead — so it is refused rather than read as "no
    // answer".
    const defaultInput = [...source.defaultInput ?? DEFAULT_INPUT]
    if (defaultInput.length === 0) {
      throw new Error(`llm-pi-ai: provider "${provider}" defaultInput must name at least one modality`)
    }
    // The route key, not the installed provider's own name: the directory has
    // always shown route keys, and a catalog route must not silently rename
    // itself on every configuration surface just because it gained a profile.
    const displayName = source.displayName ?? provider
    const catalog = resolveRouteModels({
      provider,
      ...source.api === undefined ? {} : { api: source.api },
      ...source.baseURL === undefined ? {} : { baseURL: source.baseURL },
      ...source.models === undefined ? {} : { models: source.models },
      ...source.modelOverrides === undefined ? {} : { modelOverrides: source.modelOverrides },
      ...source.compat === undefined ? {} : { compat: source.compat },
      defaultInput,
      defaultContextWindow: source.defaultContextWindow ?? DEFAULT_CONTEXT_WINDOW,
      defaultMaxTokens: source.defaultMaxTokens ?? DEFAULT_MAX_TOKENS,
    })
    const { apiKeyEnv, retryPolicy, models: _models, displayName: _displayName, ...rest } = source
    resolved.set(provider, {

View on GitHub (pinned to b150a551b8)

Solutions

1. Set defaultInput to at least one modality.

When it happens

Trigger: Thrown at packages/llm/llm-pi-ai/src/config.ts:423 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/3590bbd1810a5fdd. Report an issue: GitHub.