title: Error in Kendo ui controls with Angular 6
body: <p>I have created project in Angular 6. In that project at first i have successfully installed <code>@progress/kendo-angular-dateinputs</code> using <code>npm install</code> then project was building successfully. </p>
  
  <p>After running <code>ng-serve</code>, following error occurs:</p>
  
  <pre><code>node_modules/@progress/kendo-angular-dateinputs/dist/es2015/calendar/header.component.d.ts(2,37): error TS2307: Cannot find module '@progress/kendo-angular-l10n'.
  
  node_modules/@progress/kendo-angular-dateinputs/dist/es2015/calendar/header.component.d.ts(3,29): error TS2307: Cannot find module '@progress/kendo-angular-intl'.
  </code></pre>
  
  <p>When i installed the above controls , my project is not building now. Following errors are coming:</p>
  
  <pre><code>ERROR in node_modules/@progress/kendo-angular- 
  dateinputs/dist/es2015/calendar/models/scrollable.interface.d.ts(2,10): 
  error 
  TS2305: Module '"D:/Nimit/Angular 6 
  Samples/Project/node_modules/rxjs/Observable"' has no exported member 
  'Observable'.
  node_modules/@progress/kendo-angular-dateinputs/dist/es2015/daterange/date- 
  range.service.d.ts(1,10): error TS2305: Module '"D:/Nimit/Angular 6 
  Samples/Project/node_modules/rxjs/BehaviorSubject"' has no exported member 
  'BehaviorSubject'.
  node_modules/@progress/kendo-angular-                 
  dateinputs/dist/es2015/virtualization/models/scrollable.interface.d.ts
  (2,10): error TS2305: Module '"D:/Nimit/Angular 6 
  Samples/Project/node_modules/rxjs/Observable"' has no exported member 
  'Observable'.
  node_modules/@progress/kendo-angular- 
  dateinputs/dist/es2015/virtualization/services/scroller.service.d.ts(1,10): 
  error TS2305: Module '"D:/Nimit/Angular 6 
  Samples/Project/node_modules/rxjs/Observable"' has no exported member 
  'Observable'.
  node_modules/@progress/kendo-angular- 
  dateinputs/dist/es2015/virtualization/services/scroller.service.d.ts(2,10): 
  error TS2305: Module '"D:/Nimit/Angular 6 
  Samples/Project/node_modules/rxjs/Observer"' has no exported member 
  'Observer'.
  node_modules/@progress/kendo-angular- 
  dateinputs/dist/es2015/virtualization/virtualization.component.d.ts(4,10): 
  error TS2305: Module '"D:/Nimit/Angular 6 
  Samples/Project/node_modules/rxjs/Observable"' has no exported member 
  'Observable'.
  node_modules/@progress/kendo-angular- 
  l10n/dist/es2015/localization.service.d.ts(3,10): error TS2305: Module 
  '"D:/Nimit/Angular 6 Samples/Project/node_modules/rxjs/Subject"' has no 
  exported member 'Subject'.
  node_modules/@progress/kendo-angular- 
  l10n/dist/es2015/message.service.d.ts(1,10): error TS2305: Module 
  '"D:/Nimit/Angular 6 Samples/Project/node_modules/rxjs/Subject"' has no 
  exported member 'Subject'.
  node_modules/rxjs/BehaviorSubject.d.ts(1,15): error TS2307: Cannot find 
  module 'rxjs-compat/BehaviorSubject'.
  node_modules/rxjs/Observable.d.ts(1,15): error TS2307: Cannot find module 
  'rxjs-compat/Observable'.  
  node_modules/rxjs/Observer.d.ts(1,15): error TS2307: Cannot find module 
  'rxjs-compat/Observer'.
  node_modules/rxjs/Subject.d.ts(1,15): error TS2307: Cannot find module 
  'rxjs-compat/Subject'.
  </code></pre>
  
  <p>What should i do now?</p>