How to use a service from a library project, which has some dependecy like toastr, in another...

I have a one service in my library project which have dependency on toastr in my angular project

import { Injectable } from '@angular/core';
import { ToastrService } from 'ngx-toastr';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { ToastrModule } from 'ngx-toastr';

@Injectable({
providedIn: 'root'
})
export class AlertService {

constructor(private toastr: ToastrService) { }
showSuccess() {
this.toastr.success('Hello world!', 'Toastr fun!');
}
}


I already added the provider and also try to run without provider in my module of library. but still it is not working.

import { NgModule } from '@angular/core';
import { ComplCommonLibComponent } from './compl-common-lib.component';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { ToastrModule } from 'ngx-toastr';
import {AlertService} from './services/alert.service';


@NgModule({
declarations: [
ComplCommonLibComponent
],
imports: [
BrowserAnimationsModule,
ToastrModule.forRoot()
],
providers:[AlertService],
exports: [
ComplCommonLibComponent
]
})
export class ComplCommonLibModule { }


When I Use this in my consumer project. below is the consumer module

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

import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { ComplCommonLibModule } from 'compl-common-lib';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { ToastrModule } from 'ngx-toastr';

@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
AppRoutingModule,
BrowserAnimationsModule,
ToastrModule.forRoot(),
ComplCommonLibModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }


below is the consumer component

import { Component } from '@angular/core';
import { AlertService } from 'compl-common-lib';

@Component({
selector: 'app-root',
templateUrl: './app.component.html',
standalone: false,
styleUrl: './app.component.scss'
})
export class AppComponent {
title = 'comp-autotn';
constructor(private libService:AlertService){
libService.showSuccess();
}
}


I am getting error "Error: NG0203: inject() must be called from an injection context such as a constructor, a factory function, a field initializer, or a function used with runInInjectionContext."

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