Angular 我试图创建一个设置页面，但当我单击设置按钮导航到该页面时，控制台上出现了以下上述错误

我试图创建一个设置页面，但当我点击设置按钮导航到该页面时，控制台上出现了以下错误。任何人都可以帮助我解决这个问题。

您的错误链接到NgxToastr库，配置丢失。您是否在app.module.ts中导入了该模块

 Uncaught (in promise): NullInjectorError: StaticInjectorError(AppModule)[InjectionToken ToastConfig]: 
  StaticInjectorError(Platform: core)[InjectionToken ToastConfig]: 
    NullInjectorError: No provider for InjectionToken ToastConfig!
NullInjectorError: StaticInjectorError(AppModule)[InjectionToken ToastConfig]: 
  StaticInjectorError(Platform: core)[InjectionToken ToastConfig]: 
    NullInjectorError: No provider for InjectionToken ToastConfig!
    at NullInjector.get (core.js:778)
    at resolveToken (core.js:2564)
    at tryResolveToken (core.js:2490)
    at StaticInjector.get (core.js:2353)
    at resolveToken (core.js:2564)
    at tryResolveToken (core.js:2490)
    at StaticInjector.get (core.js:2353)
    at resolveNgModuleDep (core.js:26403)
    at NgModuleRef_.get (core.js:27491)
    at injectInjectorOnly (core.js:657)
    at resolvePromise (zone-evergreen.js:797)
    at resolvePromise (zone-evergreen.js:754)
    at zone-evergreen.js:858
    at ZoneDelegate.invokeTask (zone-evergreen.js:391)
    at Object.onInvokeTask (core.js:34182)
    at ZoneDelegate.invokeTask (zone-evergreen.js:390)
    at Zone.runTask (zone-evergreen.js:168)
    at drainMicroTaskQueue (zone-evergreen.js:559)
    at ZoneTask.invokeTask [as invoke] (zone-evergreen.js:469)
    at invokeTask (zone-evergreen.js:1603)

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你能从路由器和模块中提供一些代码吗？这是一个与依赖项注入相关的错误，您可能错过了一些导入或配置，请回答。问题已解决

@NgModule({
  imports: [
    ToastrModule.forRoot() // ToastrModule added
  ] ...