static/src/app/login/login.component.ts

@@ -38,7 +38,8 @@ export class LoginComponent implements OnInit {
               this.router.navigate([this.returnUrl]);
             },
             error => {
-              this.snackBarService.showError(error._body, 15000);
+              // TODO: return i18n key from backend to use translate error method
+              this.snackBarService.showUntranslatedError(error.error, 15000);
               this.loading = false;
             });
     }

static/src/app/services/user-interface/snack-bar/snack-bar.service.ts

@@ -42,4 +42,8 @@ export class SnackBarService {
       });
     });
   }
+
+  showUntranslatedError(message: string, duration?: number) {
+    return this.show(message, 'OK', duration, ['custom-snack-bar', 'label-danger']);
+  }
 }