# Cannot read property 'transform' of undefined

**URL:** https://react-native-webrtc.discourse.group/t/cannot-read-property-transform-of-undefined/233
**Category:** General
**Created:** [August 21, 2019, 10:29am UTC](https://react-native-webrtc.discourse.group/t/cannot-read-property-transform-of-undefined/233 "2019-08-21T10:29:04Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![rizwan92](https://avatars.discourse-cdn.com/v4/letter/r/c68b51/32.png) [@rizwan92](https://react-native-webrtc.discourse.group/u/rizwan92)
#### Post date: [August 21, 2019, 10:29am UTC](https://react-native-webrtc.discourse.group/t/cannot-read-property-transform-of-undefined/233/1 "2019-08-21T10:29:04Z")

</div>

Hii  
I am using these dependencies

```auto
    "axios": "^0.19.0",
    "openvidu-browser": "^2.11.0",
    "openvidu-node-client": "^2.11.0",
    "react": "16.8.6",
    "react-native": "0.60.5",
    "react-native-webrtc": "^1.75.0"

```

My code is App.js

> <https://gist.github.com/rizwan92/52ad61f28a97059d074eee8982e67408>

then it is throwing an exception

```auto
ExceptionsManager.js:86 TypeError: Cannot read property 'transform' of undefined
This error is located at:
    in RTCVideoView (at App.js:318)
    in RCTView (at View.js:35)
    in View (at App.js:313)
    in RCTView (at View.js:35)
    in View (at App.js:312)
    in RCTView (at View.js:35)
    in View (at ScrollView.js:1007)
    in RCTScrollView (at ScrollView.js:1147)
    in ScrollView (at App.js:310)
    in App (at renderApplication.js:40)
    in RCTView (at View.js:35)
    in View (at AppContainer.js:98)
    in RCTView (at View.js:35)
    in View (at AppContainer.js:115)
    in AppContainer (at renderApplication.js:39)

```

at line number 203

---

<div class="post-metadata">

### Author: ![saghul](https://yyz2.discourse-cdn.com/free1/user_avatar/react-native-webrtc.discourse.group/saghul/32/4_2.png) [@saghul](https://react-native-webrtc.discourse.group/u/saghul)
#### Post date: [August 22, 2019, 11:57am UTC](https://react-native-webrtc.discourse.group/t/cannot-read-property-transform-of-undefined/233/2 "2019-08-22T11:57:20Z")

</div>

I don’t know where that comes from. Do you have a test repo which shows the issue?