# Sample Web App not working Locally failed with Error Code 1

**URL:** <https://devforum.zoom.us/t/sample-web-app-not-working-locally-failed-with-error-code-1/9962>\
**Category:** Web\
**Created:** [March 28, 2020, 8:55am UTC](https://devforum.zoom.us/t/sample-web-app-not-working-locally-failed-with-error-code-1/9962 "2020-03-28T08:55:43Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [March 30, 2020, 5:49pm UTC](https://devforum.zoom.us/t/sample-web-app-not-working-locally-failed-with-error-code-1/9962/2 "2020-03-30T17:49:33Z")

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Hey @rahul.champ01, , thanks for posting and using Zoom!

Are you using a [JWT App Type](https://marketplace.zoom.us/docs/guides/getting-started/app-types/create-jwt-app) for the key and secret credentials?

Also make sure you are using a valid meeting number with no dashes.

Duplicate post:

> [@Join method failing - account question](https://devforum.zoom.us/t/join-method-failing-account-question/7174/2):
>
> Hey @matthew1, thanks for posting and using Zoom! Are you using a [JWT App Type](https://marketplace.zoom.us/docs/guides/getting-started/app-types/create-jwt-app) for the key and secret credentials? Also make sure you are using a valid meeting number with no dashes. Thanks, Tommy

Thanks,  
Tommy

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