# Could not join the room

**URL:** <https://mediasoup.discourse.group/t/could-not-join-the-room/613>\
**Category:** mediasoup-demo\
**Created:** [February 29, 2020, 12:41pm UTC](https://mediasoup.discourse.group/t/could-not-join-the-room/613 "2020-02-29T12:41:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Sanix-Darker](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/sanix-darker/32/244_2.png) [@Sanix-Darker](https://mediasoup.discourse.group/u/Sanix-Darker)\
**Post date:** [February 29, 2020, 12:41pm UTC](https://mediasoup.discourse.group/t/could-not-join-the-room/613/1 "2020-02-29T12:41:55Z")

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Am getting a strange error after starting a new tab, am on v3 !!  
 ![mediasoup2](https://global.discourse-cdn.com/free1/uploads/mediasoup/original/1X/bee8d7fc3ab711c12684e916a575c6b5543bf4cc.png)

When i tested the online demos am getting the same errors on [https://demo.mediasoup.org/](https://demo.mediasoup.org/) and [https://v3demo.mediasoup.org/](https://v3demo.mediasoup.org/)

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**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [February 29, 2020, 1:11pm UTC](https://mediasoup.discourse.group/t/could-not-join-the-room/613/2 "2020-02-29T13:11:16Z")

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This is just a mediasoup demo, it doesn’t cover all the cases. It requires microphone to work. This is not a bug.

Please, learn mediasoup (it’s API and documentation) instead on just looking at the demo.