im working in a personal project, using angular, but i receive non stopping error like this. NullInjectorError: R3InjectorError(Environment Injector)[_HttpClient->_HttpClient]: NullInjectorError: No provider for _HttpClient! i dont know what happen, but my app.config.ts is this: import { ApplicationConfig, provideZoneChangeDetection } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration, withEventReplay } from '@angular/platform-browser'; export const appConfig: ApplicationConfig = { providers: [provideZoneChangeDetection({ eventCoalescing: true }), provideRouter(routes), provideClientHydration(withEventReplay())] }; my others components ts (menu-nav.component.ts) (app.config.ts) (main.ts): import { Component, OnInit, Renderer2, ElementRef, HostListener } from '@angular/core'; import { HttpClient } from '@angular/common/http'; interface Traducciones { [key: string]: { inicio: string; productos: string; contacto: string; }; } @Component({ selector: 'menu-nav', templateUrl: './menu-nav.component.html', styleUrls: ['./menu-nav.component.scss'], standalone: true, }) export class MenuNavComponent implements OnInit { idiomaActual: string = 'es'; traducciones: Traducciones = {}; constructor(private http: HttpClient, private renderer: Renderer2, private el: ElementRef) {} import { Component } from '@angular/core'; import { MenuNavComponent } from './menu-nav/menu-nav.component'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.scss'], standalone: true, imports: [MenuNavComponent], }) export class AppComponent {} import { bootstrapApplication } from '@angular/platform-browser'; import { AppComponent } from './app/app.component'; import { provideHttpClient } from '@angular/common/http'; bootstrapApplication(AppComponent, { providers: [provideHttpClient()], }).catch((err) => console.error(err)); Continue reading...