# Sendbird-calls v1.9.3 error - TypeError: undefined is not an object

**URL:** <https://community.sendbird.com/t/sendbird-calls-v1-9-3-error-typeerror-undefined-is-not-an-object/5269>\
**Category:** JavaScript\
**Tags:** sendbird-call\
**Created:** [August 6, 2022, 12:46pm UTC](https://community.sendbird.com/t/sendbird-calls-v1-9-3-error-typeerror-undefined-is-not-an-object/5269 "2022-08-06T12:46:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![minhdat97](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/minhdat97/32/1811_2.png) [@minhdat97](https://community.sendbird.com/u/minhdat97)\
**Post date:** [August 6, 2022, 12:46pm UTC](https://community.sendbird.com/t/sendbird-calls-v1-9-3-error-typeerror-undefined-is-not-an-object/5269/1 "2022-08-06T12:46:48Z")

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Hello,  
I have use sendbird-calls in my web project, and it works fine on desktop browser. But when I open my project on webview (I use react-native-webview v11.23.0), I got an error message like the attached image. It happens on ios 13.x and 14.x, ios 15.x don’t get the above error.

My project enviroments following:

- Nextjs: ^12.1.2,
- React: ^17.0.2,
- sendbird-calls: ^1.9.3

 ![telegram-cloud-document-5-6300895599382234545](https://us1.discourse-cdn.com/flex020/uploads/sendbird/original/2X/5/5ddfe529902e60de35b98cb11c61e9b1c8690616.jpeg)

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<div class="post-metadata">

**Author:** ![minhdat97](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/minhdat97/32/1811_2.png) [@minhdat97](https://community.sendbird.com/u/minhdat97)\
**Post date:** [August 6, 2022, 12:49pm UTC](https://community.sendbird.com/t/sendbird-calls-v1-9-3-error-typeerror-undefined-is-not-an-object/5269/2 "2022-08-06T12:49:24Z")

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@Tyler Hi Tyler,  
Can you take a look at my problem and solve it?  
Thank you.