# \[React Native\] Disconnect error in v4

**URL:** <https://community.sendbird.com/t/react-native-disconnect-error-in-v4/4973>\
**Category:** JavaScript\
**Tags:** chatsdk, react-native\
**Created:** [June 29, 2022, 6:53am UTC](https://community.sendbird.com/t/react-native-disconnect-error-in-v4/4973 "2022-06-29T06:53:41Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![Jabir\_Muhammad](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/jabir_muhammad/32/2302_2.png) [@Jabir\_Muhammad](https://community.sendbird.com/u/Jabir_Muhammad)\
**Post date:** [July 7, 2022, 7:50am UTC](https://community.sendbird.com/t/react-native-disconnect-error-in-v4/4973/6 "2022-07-07T07:50:06Z")

</div>

@Jason Just tried the new `@sendbird/chat@4.0.5`, it does not connecting for me.  
Showing the same behavior as my old issue.

> [@\[React Native\] TypeError: undefined is not an object (evaluating 'Vn.of(this.\_iid).fetch')](https://community.sendbird.com/t/react-native-typeerror-undefined-is-not-an-object-evaluating-vn-of-this-iid-fetch/4895/8):
>
> @Jason I can confirm that this specific issue has been fixed. Thank you for the update.

---

_[View the full topic](https://community.sendbird.com/t/react-native-disconnect-error-in-v4/4973)._