getting npm modules error while integrating facebook login and google login in firebase

Envato Authors ThemeForest
#1

Hi !
whenever I run this command npm i @angular/fire. And import it in app module.ts
I always get the errors below
plz help me out to get it resolve. Thankyou…

static ɵinj: i0.ɵɵInjectorDeclaration;
static ɵinj: i0.ɵɵInjectorDeclaration;

#2

Hi,

Contact with your purchase item author hope they will helped!

Thanks!