deepseek-ai/deepseek-harness · error

client-modules: bundle ${url} loaded without registering "${

Error message

client-modules: bundle ${url} loaded without registering "${id}" via __ModuleLoader__.load

What it means

Error "client-modules: bundle ${url} loaded without registering "${id}" via __ModuleLoader__.load" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/client/modules/src/client/system.ts:120

  /** Register one bundle factory, rejecting a script that executes twice without invalidation. */
  private register(registration: ClientBundleRegistration): void {
    const id = stripClientSuffix(registration.id)
    if (this.bootstrapIds.has(id) || this.factories.has(id)) {
      throw new Error(`client-modules: duplicate factory registration for "${registration.id}" (bundle executed twice without invalidate?)`)
    }
    this.factories.set(id, registration.factory)
  }

  /** Load one graph row so its factory is registered (idempotent per in-flight arrival). */
  private arrive(row: BootModuleRow): Promise<void> {
    const { id, url } = row
    const pending = this.pendingArrival.get(id)
    if (pending !== undefined) return pending
    if (this.loadCache.has(id) || this.factories.has(id)) return Promise.resolve()
    const task = this.loadBundle(url).then(() => {
      if (!this.factories.has(id)) {
        throw new Error(`client-modules: bundle ${url} loaded without registering "${id}" via __ModuleLoader__.load`)
      }
    }).finally(() => { this.pendingArrival.delete(id) })
    this.pendingArrival.set(id, task)
    return task
  }

  /** Register each unresolved dynamic request before registering its consumer. */
  private async arriveGraphRow(row: BootModuleRow, open: readonly string[] = []): Promise<void> {
    const cycleStart = open.indexOf(row.id)
    if (cycleStart !== -1) {
      throw new Error(
        `client-modules: module arrival cycle ${[...open.slice(cycleStart), row.id].join(' -> ')} `
        + '(the host must reject this graph before serving it)',
      )
    }
    const next = [...open, row.id]
    for (const request of row.external) {
      const id = stripClientSuffix(request)

View on GitHub (pinned to b150a551b8)

Solutions

1. Register the module id via __ModuleLoader__.load inside the bundle.

When it happens

Trigger: Thrown at packages/client/modules/src/client/system.ts:120 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/82a0912b7dec3953. Report an issue: GitHub.