deepseek-ai/deepseek-harness · error

client-hmr: rebuilt frame for unknown entry "${id}" (not in

Error message

client-hmr: rebuilt frame for unknown entry "${id}" (not in the loader tree)

What it means

Error "client-hmr: rebuilt frame for unknown entry "${id}" (not in the loader tree)" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/client/hmr/src/client/index.ts:107

    if (el.getAttribute('data-plugin') === id) el.remove()
  }
}

/**
 * Mount the HMR driver: subscribe to the system SSE channel and hot-swap
 * rebuilt entries.
 * @param ctx - plugin context with `loader` and `modules` available.
 */
export function apply(ctx: Context): void {
  // Both are declared injections (typed Context merges: `modules` from the
  // client module loader package, `loader` from the vendored Loader).
  const modLoader = ctx.modules
  const loader: Loader = ctx.loader

  async function reload(id: string): Promise<void> {
    const entry = findEntry(loader, id)
    if (entry === undefined) {
      ctx.logger.warn(`client-hmr: rebuilt frame for unknown entry "${id}" (not in the loader tree)`)
      return
    }
    // Invalidate first (drop stale factory + record — a live factory makes
    // prefetch a no-op and re-registration a loud duplicate), then run the
    // async half while the old fiber still serves: script loading registers
    // the fresh factory with zero side effects (lazy CJS — module bodies run
    // at materialization, not execution).
    modLoader.invalidate(id)
    await modLoader.prefetch(id)

    const oldFiber = entry.fiber
    if (oldFiber !== undefined) {
      // Registry-first teardown (see module comment): the runtime record must
      // be gone before the fiber's disposer emits internal/plugin, or the
      // Loader flags the entry disabled.
      const runtime = oldFiber.runtime
      if (runtime !== null) entry.ctx.registry.delete(runtime.callback)
      // Drain the unload: effect disposers (slots, subscriptions) must finish

View on GitHub (pinned to b150a551b8)

Solutions

1. Reload the page to resync the loader tree; if it persists, clear HMR state and restart the dev server.

When it happens

Trigger: Thrown at packages/client/hmr/src/client/index.ts:107 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/29595b6ac96b6db8. Report an issue: GitHub.