emberjs/ember.js · error · Error

Nothing handled the action '${name}'. If you did handle the

Error message

Nothing handled the action '${name}'. If you did handle the action, this error can be caused by returning true from an action handler in a controller, causing the action to bubble.

What it means

Error "Nothing handled the action '${name}'. If you did handle the action, this error can be caused by returning true from an action handler in a controller, causing the action to bubble." thrown in emberjs/ember.js.

Source

Thrown at packages/@ember/routing/router.ts:1787

      } else {
        // Should only hit here if a non-bubbling error action is triggered on a route.
        if (name === 'error') {
          assert('[BUG] Missing handler', handler);
          handler._router._markErrorAsHandled(args[0] as Error);
        }
        return;
      }
    }
  }

  let defaultHandler = defaultActionHandlers[name];
  if (defaultHandler) {
    (defaultHandler as AnyFn).call(this, routeInfos, ...args);
    return;
  }

  if (!eventWasHandled && !ignoreFailure) {
    throw new Error(
      `Nothing handled the action '${name}'. If you did handle the action, this error can be caused by returning true from an action handler in a controller, causing the action to bubble.`
    );
  }
}

function calculatePostTransitionState<R extends Route>(
  emberRouter: EmberRouter,
  leafRouteName: string,
  contexts: ModelFor<R>[]
) {
  let state = emberRouter._routerMicrolib.applyIntent(leafRouteName, contexts);
  let { routeInfos, params } = state;

  for (let routeInfo of routeInfos) {
    // If the routeInfo is not resolved, we serialize the context into params
    if (!routeInfo.isResolved) {
      params[routeInfo.name] = routeInfo.serialize(routeInfo.context as ModelFor<R> | undefined);
    } else {

View on GitHub (pinned to 26f97246a8)

When it happens

Trigger: Thrown at packages/@ember/routing/router.ts:1787 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of emberjs/ember.js@26f97246a8 (2026-09-01). Data as JSON: /api/errors/a64cacf5a1e78c53. Report an issue: GitHub.