# Web SDK The meeting number is wrong

**URL:** <https://devforum.zoom.us/t/web-sdk-the-meeting-number-is-wrong/28210>\
**Category:** Web\
**Created:** [August 26, 2020, 11:02am UTC](https://devforum.zoom.us/t/web-sdk-the-meeting-number-is-wrong/28210 "2020-08-26T11:02:00Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![laevents](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/laevents/32/14115_2.png) [@laevents](https://devforum.zoom.us/u/laevents)\
**Post date:** [August 26, 2020, 11:02am UTC](https://devforum.zoom.us/t/web-sdk-the-meeting-number-is-wrong/28210/1 "2020-08-26T11:02:01Z")

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@tommy - Please help me here urgently. I am getting “The meeting number is wrong.” again n again, even tho my webinar id is correct.

Webinar id =  
Signature =

Thanks

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**Author:** ![tommy](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/tommy/32/72769_2.png) [@tommy](https://devforum.zoom.us/u/tommy)\
**Post date:** [August 28, 2020, 5:56am UTC](https://devforum.zoom.us/t/web-sdk-the-meeting-number-is-wrong/28210/2 "2020-08-28T05:56:38Z")

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Hey @laevents,

You are passing in `undefined` as your meeting ID when generating your signature. You can debug it by [base64 decoding](https://www.base64decode.org/) your signature.

Let me know if that helps! 🙂

Thanks,  
Tommy

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<div class="post-metadata">

**Author:** ![laevents](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/laevents/32/14115_2.png) [@laevents](https://devforum.zoom.us/u/laevents)\
**Post date:** [August 28, 2020, 3:30pm UTC](https://devforum.zoom.us/t/web-sdk-the-meeting-number-is-wrong/28210/3 "2020-08-28T15:30:31Z")

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Hello @tommy - I am passing the meeting properly, pls check below another signature with meeting id into it after & also base64 decoding which shows meeting id into it.

Base64 decoding

But still getting same error that " The meeting number is wrong."

–  
Thanks

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**Author:** ![tommy](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/tommy/32/72769_2.png) [@tommy](https://devforum.zoom.us/u/tommy)\
**Post date:** [September 1, 2020, 9:07pm UTC](https://devforum.zoom.us/t/web-sdk-the-meeting-number-is-wrong/28210/4 "2020-09-01T21:07:42Z")

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Hey @laevents,

Thanks for the info. Are you seeing any errors in the browser console? If so could you share those here?

Then our engineering team can look into this further.

-Tommy

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [October 2, 2020, 7:07am UTC](https://devforum.zoom.us/t/web-sdk-the-meeting-number-is-wrong/28210/5 "2020-10-02T07:07:45Z")

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Closed on October 2, 2020, 7:07am UTC

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