can't used in service(angular5)

[niuwenbo]

IMPORTANT: Please provide a sample using: http://plnkr.co/edit/lV7zsw7Yqossgs9JOfQU?p=preview

• I'm submitting a ...
  [ ] bug report
  [ ] feature request
  [ ] question about the decisions made in the repository

• Do you want to request a feature or report a bug?

• What is the current behavior?

i just injuect a modal into a service refresh page throw this error..can any one has same question?

import { Injectable } from '@angular/core';
import { HttpErrorResponse } from '@angular/common/http';

import { Overlay } from 'ngx-modialog';
import { Modal } from 'ngx-modialog/plugins/bootstrap';

@Injectable()
export class ErrorLogService {
private name: String = 'ErrorLogService';

constructor(private modal: Modal) {}

}

compiler.js:19550 Uncaught Error: Provider parse errors:
Cannot instantiate cyclic dependency! ApplicationRef ("[ERROR ->]"): in NgModule AppModule in ./AppModule@-1:-1
at NgModuleProviderAnalyzer.parse (compiler.js:19550)
at NgModuleCompiler.compile (compiler.js:20139)
at JitCompiler._compileModule (compiler.js:34437)
at eval (compiler.js:34368)
at Object.then (compiler.js:474)
at JitCompiler._compileModuleAndComponents (compiler.js:34366)
at JitCompiler.compileModuleAsync (compiler.js:34260)
at CompilerImpl.compileModuleAsync (platform-browser-dynamic.js:239)
at PlatformRef.bootstrapModule (core.js:5567)
at eval (main.ts:11)

• If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem via
  https://plnkr.co or similar (you can use one of the templates above as a starting point).

• What is the expected behavior?

• What is the motivation / use case for changing the behavior?

• Please tell us about your environment:

• Angular version: ?
• Browser: [all | Chrome XX | Firefox XX | IE XX | Safari XX | Mobile Chrome XX | Android X.X Web Browser | iOS XX Safari | iOS XX UIWebView | iOS XX WKWebView ]

• Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. stackoverflow, gitter, etc)