I'm trying to use HttpClientInMemoryWebApiModule in an Angular V 18.2.11 standalone application and I'm encountering this error: ERROR Error [NullInjectorError]: R3InjectorError(Standalone[_ListPokemonComponent])[_PokemonService -> _PokemonService -> _HttpClient -> _HttpClient]: NullInjectorError: No provider for _HttpClient! My goal is to configure InMemoryDataService with forRoot. There is mu app.component.ts: import { Component, OnInit } from '@angular/core'; import { RouterOutlet } from '@angular/router'; import { CommonModule } from '@angular/common'; import { FormsModule } from '@angular/forms'; import { HttpClientInMemoryWebApiModule } from 'angular-in-memory-web-api'; @Component({ selector: 'app-root', standalone: true, imports: [RouterOutlet, CommonModule, HttpClientInMemoryWebApiModule, FormsModule], templateUrl: 'app.component.html' }) export class AppComponent implements OnInit{ ngOnInit(): void { } } Here is my maint.ts: import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from './app/app.config'; import { AppComponent } from './app/app.component'; import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http'; import { InMemoryDataService } from './app/in-memory-data.service'; import { HttpClientInMemoryWebApiModule } from 'angular-in-memory-web-api'; bootstrapApplication(AppComponent, { ...appConfig, providers: [ provideHttpClient(withInterceptorsFromDi()), { provide: HttpClientInMemoryWebApiModule, useFactory: () => HttpClientInMemoryWebApiModule.forRoot(InMemoryDataService, { dataEncapsulation: false, delay: 500 }), }, ], }).catch((err) => console.error(err)); How can I properly integrate the HttpClientInMemoryWebApiModule into an Angular standalone application? Continue reading...