NullInjectorError: No provider for Auth

Issue

I have a problema with this service.
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This is my app.module.
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The injection in InicioPage:
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I tried , add in providers in iniciopage.module, but not work

Solution

I had a similar problem and solved it by adding these two lines in app.module.ts

import { FIREBASE_OPTIONS } from "@angular/fire/compat";
@NgModule({
  ...
  providers: [
    { provide: FIREBASE_OPTIONS, useValue: environment.firebase}
  ]
})

Answered By – Eloi

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