"Is not a known element" Error

Hi,

I’m trying to make a simple Canvas Gauges capacitor page. I followed the steps for installing ng-canvas gauges (from here: Add A Realtime Gauge To Your Angular Project – Wayne Parrott) but I’m getting this error:

core.js:14965 NG0304: 'radial-gauge' is not a known element:
1. If 'radial-gauge' is an Angular component, then verify that it is part of this module.
2. If 'radial-gauge' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.

GaugesModule is imported to app.module.ts:

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { RouteReuseStrategy } from '@angular/router';

import { IonicModule, IonicRouteStrategy } from '@ionic/angular';

import { AppComponent } from './app.component';
import { AppRoutingModule } from './app-routing.module';

import { GaugesModule } from 'ng-canvas-gauges';

@NgModule({
  declarations: [AppComponent],
  entryComponents: [],
  imports: [BrowserModule, IonicModule.forRoot(), AppRoutingModule, GaugesModule],  
  providers: [{ provide: RouteReuseStrategy, useClass: IonicRouteStrategy }],
  bootstrap: [AppComponent],
})
export class AppModule {}

I was reading some similar posts and some suggested videos (Like this: Using Custom Components on Multiple Pages in Ionic - YouTube) but I can’t make it to run without errors. The solution suggested in that video gives me the following error:

Uncaught (in promise): Error: Unexpected value 'GaugesModule' declared by the module 'ComponentsModule'. Please add a @Pipe/@Directive/@Component annotation.
Error: Unexpected value 'GaugesModule' declared by the module 'ComponentsModule'. Please add a @Pipe/@Directive/@Component annotation

Any help? Thanks

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