deepseek-ai/deepseek-harness · error · Error

typert-loader: ${pkgName} event "${event.name as string}" mo

Error message

typert-loader: ${pkgName} event "${event.name as string}" mode must be a string

What it means

Error "typert-loader: ${pkgName} event "${event.name as string}" mode must be a string" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/typert/loader/src/index.ts:127

  const model = requireObject(pkgName, manifest.model, 'TYPERT.model')
  const services = requireArray(pkgName, model.services, 'TYPERT.model.services')
  const events = requireArray(pkgName, model.events, 'TYPERT.model.events')
  const objects = requireArray(pkgName, model.objects, 'TYPERT.model.objects')
  for (const value of services) {
    const service = requireObject(pkgName, value, 'service')
    requireDocumentation(pkgName, service, 'service')
    requireString(pkgName, service, 'key', 'service')
    requireString(pkgName, service, 'exportName', 'service')
    requireMembers(pkgName, service.members, `service "${service.key as string}"`)
    requireTypes(pkgName, service.types, `service "${service.key as string}"`)
  }
  for (const value of events) {
    const event = requireObject(pkgName, value, 'event')
    requireDocumentation(pkgName, event, 'event')
    requireString(pkgName, event, 'name', 'event')
    requireString(pkgName, event, 'signature', `event "${event.name as string}"`)
    if (event.mode !== undefined && typeof event.mode !== 'string') {
      throw new Error(`typert-loader: ${pkgName} event "${event.name as string}" mode must be a string`)
    }
  }
  for (const value of objects) {
    const object = requireObject(pkgName, value, 'object')
    requireDocumentation(pkgName, object, 'object')
    requireString(pkgName, object, 'name', 'object')
    requireString(pkgName, object, 'exportName', 'object')
    requireMembers(pkgName, object.members, `object "${object.name as string}"`)
    requireTypes(pkgName, object.types, `object "${object.name as string}"`)
  }
  for (const value of requireArray(pkgName, manifest.invocations, 'TYPERT.invocations')) {
    requireInvocation(pkgName, value)
  }
  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)) {

View on GitHub (pinned to b150a551b8)

Solutions

1. Set the event mode to a string in the manifest.

When it happens

Trigger: Thrown at packages/typert/loader/src/index.ts:127 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/8ffdf918eeccb82f. Report an issue: GitHub.