```ts // app-module.ts @NgModule({ imports: [ UIRouterModule.forRoot({ states: [ { name: 'foo.**', url: '/foo', loadChildren: ... } ] }) ], }) export class AppModule {} ``` ```ts // foo-module.ts @NgModule({ imports: [ UIRouterModule.forChild({ states: [ { name: 'foo', url: '/foo', component: ... }, { name: 'bar', url: '/bar', component: ... } ] }) ], }) export class FooModule {} ``` Navigation to `/bar` after `foo` is loaded produce the following exception: ```ts No component factory found for `BarComponent`. ```