animation error: The provided timing value "" is invalid.

I’m submitting a …

[x] bug report => search github for a similar issue or PR before submitting
[ ] feature request
[ ] support request/question

Current behavior throws the error

ERROR Error: Unable to process animations due to the following failed trigger transitions
@animation has failed due to:
- Please provide a value for the animation param enter
- The provided timing value "" is invalid.

Expected behavior no errors

Minimal reproduction of the problem with instructions (if applicable) <tag-input [(ngModel)]="tags" ></tag-input>

What do you use to build your app? (SystemJS, Webpack, angular-cli, etc.). Please specify the version angular/cli: 1.0.0 node: 7.7.3

Angular version: ^4

ng2-tag-input version: “ngx-chips”: “^1.4.5”

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 ] all

[Gbuomprisco]

https://plnkr.co/edit/8Yl41KUksqOLNJQEypsM?p=preview

ngx-chips requires these peer deps:

import 'rxjs/add/observable/of';
import 'rxjs/add/operator/filter';
import 'rxjs/add/operator/first';
import 'rxjs/add/operator/debounceTime';

[feliksg]

@Gbuomprisco 1.4.8 resolved the issue for me, thanks so much!