StaticInjectorError(AppModule)[AuthGuard] after login

StaticInjectorError(AppModule)[AuthGuard] after login

By : Mary Aucoin Kaarto
Date : November 29 2020, 04:01 AM
To fix this issue After loging to Angular app with ASP.NET Core API app i got the following error , Try adding this to your AuthGuard
code :
@Injectable({providedIn: "root"})
import { AuthGuard } from './_guards';

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StaticInjectorError(AppModule) Error

StaticInjectorError(AppModule) Error

By : Shai S.
Date : March 29 2020, 07:55 AM
Hope this helps I did not specify the type returned in getProducts() method of ProductProvider so http client assumed it was an object being returned and that caused the error. I was able to fix it by adding any[] to http get like this return this.http.get('/assets/data.json')
StaticInjectorError(AppModule)[MatDialogTitle -> MatDialogRef]

StaticInjectorError(AppModule)[MatDialogTitle -> MatDialogRef]

By : chard
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Update: So for my issue, I was able to solve it using providers from this Bug issue [https://github.com/angular/material2/issues/8419]. I added the following 2 lines to my app.module providers list:
code :
{ provide: MatDialogRef, useValue: {} },
{ provide: MAT_DIALOG_DATA, useValue: [] },
StaticInjectorError(AppModule)[MainComponent -> MatDialog]

StaticInjectorError(AppModule)[MainComponent -> MatDialog]

By : jgarcia3223
Date : January 07 2021, 03:08 PM
this one helps. When using Materials Dialog, I can't remove the error mentioned in the subject. I had already imported the MatDialogModule and added the entryComponents. I simply want to open my edit-api component when the editAPI button is clicked inside my main component. What am I doing wrong? , you have to change following
code :
import { MatDialog, MatDialogConfig } from '@angular/material';
import { MatDialog, MatDialogConfig } from '@angular/material/dialog';
NullInjection error in appModule: StaticInjectorError(AppModule)[BASE_URL]:

NullInjection error in appModule: StaticInjectorError(AppModule)[BASE_URL]:

By : user3208228
Date : March 29 2020, 07:55 AM
hope this fix your issue BASE_URL does not exist in your case. If you want such - create service that stores it and add to providers.
code :
providers: [
    { provide: 'BASE_URL', useFactory: getBaseUrl }
export function getBaseUrl() {
    return document.getElementsByTagName('base')[0].href;
<base href="/client1/" />
StaticInjectorError(AppModule)[AppComponent -> DataService]

StaticInjectorError(AppModule)[AppComponent -> DataService]

By : user3378967
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You need to add DataService in providers part of app.module.ts file like this
code :
providers: [DataService],
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