deepseek-ai/deepseek-harness · error · Error

typert-loader: ${pkgName} ${subject} has a missing or empty

Error message

typert-loader: ${pkgName} ${subject} has a missing or empty ${key}

What it means

Error "typert-loader: ${pkgName} ${subject} has a missing or empty ${key}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/typert/loader/src/index.ts:158

  }
  return manifest as unknown as TypertContribution
}

function requireObject(pkgName: string, value: unknown, subject: string): Record<string, unknown> {
  if (typeof value !== 'object' || value === null || Array.isArray(value)) {
    throw new Error(`typert-loader: ${pkgName} ${subject} must be an object`)
  }
  return value as Record<string, unknown>
}

function requireArray(pkgName: string, value: unknown, subject: string): unknown[] {
  if (!Array.isArray(value)) throw new Error(`typert-loader: ${pkgName} ${subject} must be an array`)
  return value
}

function requireString(pkgName: string, value: Record<string, unknown>, key: string, subject: string): void {
  if (typeof value[key] !== 'string' || value[key].length === 0) {
    throw new Error(`typert-loader: ${pkgName} ${subject} has a missing or empty ${key}`)
  }
}

function requireDocumentation(pkgName: string, value: Record<string, unknown>, subject: string): void {
  requireArray(pkgName, value.tags, `${subject}.tags`)
  for (const key of ['description', 'summary', 'jsDoc'] as const) {
    if (value[key] !== undefined && typeof value[key] !== 'string') {
      throw new Error(`typert-loader: ${pkgName} ${subject}.${key} must be a string`)
    }
  }
}

function requireMembers(pkgName: string, value: unknown, subject: string): void {
  for (const item of requireArray(pkgName, value, `${subject}.members`)) {
    const member = requireObject(pkgName, item, `${subject} member`)
    requireString(pkgName, member, 'name', `${subject} member`)
    requireString(pkgName, member, 'signature', `${subject} member`)
    if (typeof member.kind !== 'string' || !MEMBER_KINDS.has(member.kind)) {

View on GitHub (pinned to b150a551b8)

Solutions

1. Fill the missing or empty key on the manifest subject.

When it happens

Trigger: Thrown at packages/typert/loader/src/index.ts:158 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/a3e73cc4c941fff3. Report an issue: GitHub.