NullInjectorError: No provider for HttpBackend

Question

enter image description here error

enter image description here main.ts

enter image description here app-config-service.ts

after i replaced bootstrapModule with bootstrapApplication in main.js and moved all providers in app-module to main.ts. i got this error.

Answer 1

Add provideHttpClient() in your main.ts providers.

 providers: [
  provideHttpClient(),
  { provide: APP_INITIALIZER, ... }
],