deepseek-ai/deepseek-harness · error · TypeError

credentials-local: "${name}" in ${filename} must be a mappin

Error message

credentials-local: "${name}" in ${filename} must be a mapping

What it means

Error "credentials-local: "${name}" in ${filename} must be a mapping" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/credentials/credentials-local/src/index.ts:323

 * @param record - the api-key record a mutation returned.
 */
function assertStorableApiKey(key: CredentialKey, record: ApiKeyRecord): void {
  if (record.key !== undefined && record.key.length === 0) {
    throw new TypeError(`credentials-local: record "${key}" has an empty key; omit the field instead`)
  }
  for (const [name, value] of Object.entries(record.env ?? {})) {
    credentialRef(name)
    if (value.length === 0) {
      throw new TypeError(`credentials-local: record "${key}" env "${name}" must be a non-empty string`)
    }
  }
}

/** One section of the document as a plain mapping; absent and null both mean empty. */
function asSection(section: unknown, name: string, filename: string): Record<string, unknown> {
  if (section === undefined || section === null) return {}
  if (typeof section !== 'object' || Array.isArray(section)) {
    throw new TypeError(`credentials-local: "${name}" in ${filename} must be a mapping`)
  }
  return section as Record<string, unknown>
}

/** Admit one record entry, rejecting an unknown tag or field rather than dropping it. */
function parseRecord(key: string, value: unknown, filename: string): CredentialRecord {
  if (typeof value !== 'object' || value === null || Array.isArray(value)) {
    throw new TypeError(`credentials-local: record "${key}" in ${filename} must be a mapping`)
  }
  const fields = value as Record<string, unknown>
  const kind = fields['kind']
  if (kind === 'api-key') {
    assertFields(key, fields, ['kind', 'key', 'env'], filename)
    const apiKey = fields['key']
    if (apiKey !== undefined && (typeof apiKey !== 'string' || apiKey.length === 0)) {
      throw new TypeError(`credentials-local: record "${key}" in ${filename} has a non-string or empty key`)
    }
    const env = parseRecordEnv(key, fields['env'], filename)

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/credentials/credentials-local/src/index.ts:323 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/4ccf551ffc9d7c50. Report an issue: GitHub.