# SDK error moving from JWT

**URL:** <https://devforum.zoom.us/t/sdk-error-moving-from-jwt/95524>\
**Category:** Web\
**Created:** [September 21, 2023, 10:34am UTC](https://devforum.zoom.us/t/sdk-error-moving-from-jwt/95524 "2023-09-21T10:34:53Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![gestionasalud](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gestionasalud/32/52263_2.png) [@gestionasalud](https://devforum.zoom.us/u/gestionasalud)\
**Post date:** [September 21, 2023, 10:34am UTC](https://devforum.zoom.us/t/sdk-error-moving-from-jwt/95524/1 "2023-09-21T10:34:53Z")

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Hi,

I am trying to migrate from JWT to Oauth and SDK but when I start the meeting the following error appears in the Chrome console:

{method: ‘join’, status: false, result: null, errorMessage: ‘Sdk key length error, must 36’, errorCode: 4003}  
errorCode: 4003  
errorMessage: “Sdk key length error, must 36”  
method: “join”  
result: null  
status: false  
[[Prototype]]: Object

The SDK key length is not correct but it is the one that your marketplace gives us.

How can we solve this? We are unable to hold meetings

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<div class="post-metadata">

**Author:** ![chunsiong.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/chunsiong.zoom/32/35488_2.png) [@chunsiong.zoom](https://devforum.zoom.us/u/chunsiong.zoom)\
**Post date:** [September 22, 2023, 2:44am UTC](https://devforum.zoom.us/t/sdk-error-moving-from-jwt/95524/2 "2023-09-22T02:44:04Z")

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@gestionasalud ,

which version of SDK are you using?  
I would recommend using version 2.9.7 and above if you are getting the above error

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<div class="post-metadata">

**Author:** ![gestionasalud](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gestionasalud/32/52263_2.png) [@gestionasalud](https://devforum.zoom.us/u/gestionasalud)\
**Post date:** [September 26, 2023, 4:52pm UTC](https://devforum.zoom.us/t/sdk-error-moving-from-jwt/95524/3 "2023-09-26T16:52:41Z")

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@chunsiong.zoom I’m using the default version that the Zoom App Marketplace provided me.

Where can I find out which version I’m using and how to use or select the recommended version?

Thanks!

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<div class="post-metadata">

**Author:** ![chunsiong.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/chunsiong.zoom/32/35488_2.png) [@chunsiong.zoom](https://devforum.zoom.us/u/chunsiong.zoom)\
**Post date:** [September 27, 2023, 3:57am UTC](https://devforum.zoom.us/t/sdk-error-moving-from-jwt/95524/4 "2023-09-27T03:57:53Z")

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@gestionasalud ,

We release our Web SDK on a regular basis. You might need to check out the source code on which version of Web SDK you are using.

 ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/d/5/d52a1aea7c47f1c0d28360a694d05fd3d75569be.png)

Typically if you search for “[source.zoom.us](http://source.zoom.us)”, you might have a idea which version you are using.

 ![image](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/c/2/c23ccd7f4965aada64902360be500757c079c717.png)

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<div class="post-metadata">

**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 27, 2023, 1:58pm UTC](https://devforum.zoom.us/t/sdk-error-moving-from-jwt/95524/5 "2023-10-27T13:58:49Z")

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Closed on October 27, 2023, 1:58pm UTC

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