deepseek-ai/deepseek-harness · error · LlmError

INVALID_RESPONSE

INVALID_RESPONSE

Error message

DeepSeek Files API returned an invalid ${operation} response.

What it means

Error "DeepSeek Files API returned an invalid ${operation} response." thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/llm/llm-deepseek/src/files-api.ts:91

  fetch?: typeof fetch
}

interface WireFileObject {
  id?: unknown
  object?: unknown
  bytes?: unknown
  created_at?: unknown
  filename?: unknown
  purpose?: unknown
  expires_at?: unknown
}

function invalidResponse(operation: string): LlmError {
  return new LlmError(`DeepSeek Files API returned an invalid ${operation} response.`, 'INVALID_RESPONSE')
}

function parseFileObject(value: unknown, operation: string): DeepSeekFileObject {
  if (value === null || typeof value !== 'object' || Array.isArray(value)) throw invalidResponse(operation)
  const wire = value as WireFileObject
  if (typeof wire.id !== 'string' || wire.id.length === 0
    || wire.object !== 'file'
    || !Number.isSafeInteger(wire.bytes) || (wire.bytes as number) < 0
    || !Number.isSafeInteger(wire.created_at) || (wire.created_at as number) < 0
    || typeof wire.filename !== 'string' || wire.filename.length === 0
    || wire.purpose !== 'user_data'
    || (wire.expires_at !== undefined
      && (!Number.isSafeInteger(wire.expires_at) || (wire.expires_at as number) < 0))) {
    throw invalidResponse(operation)
  }
  return {
    id: DeepSeekFileId(wire.id),
    bytes: wire.bytes as number,
    createdAt: wire.created_at as number,
    filename: wire.filename,
    purpose: 'user_data',
    ...wire.expires_at === undefined ? {} : { expiresAt: wire.expires_at as number },

View on GitHub (pinned to b150a551b8)

Solutions

1. Retry the operation; if it persists, check the DeepSeek API status and the request parameters.

When it happens

Trigger: Thrown at packages/llm/llm-deepseek/src/files-api.ts:91 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/1be7d1b3383b5b03. Report an issue: GitHub.