# Mqq client paho not working

**URL:** <https://mangoh.discourse.group/t/mqq-client-paho-not-working/5718>\
**Category:** Uncategorized\
**Created:** [November 25, 2020, 5:45pm UTC](https://mangoh.discourse.group/t/mqq-client-paho-not-working/5718 "2020-11-25T17:45:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![zehrakausarhaider](https://avatars.discourse-cdn.com/v4/letter/z/a698b9/32.png) [@zehrakausarhaider](https://mangoh.discourse.group/u/zehrakausarhaider)\
**Post date:** [November 25, 2020, 5:45pm UTC](https://mangoh.discourse.group/t/mqq-client-paho-not-working/5718/1 "2020-11-25T17:45:41Z")

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Hi

i have built the mqtt paho for wp76xx but i am getting the following issue

 ![image](https://us1.discourse-cdn.com/flex016/uploads/mangoh/original/2X/1/127cdcad55577338b3a087b9553d4bae63d24c29.png)

Can anyone please help me with this

Zehra

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<div class="post-metadata">

**Author:** ![jyijyi](https://sea2.discourse-cdn.com/flex016/user_avatar/mangoh.discourse.group/jyijyi/32/997_2.png) [@jyijyi](https://mangoh.discourse.group/u/jyijyi)\
**Post date:** [November 25, 2020, 11:38pm UTC](https://mangoh.discourse.group/t/mqq-client-paho-not-working/5718/2 "2020-11-25T23:38:26Z")

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have you tried unsandbox the application first?  
Also have you tried the sample code mqtt first?

> **[legatoproject/legato-af](https://github.com/legatoproject/legato-af/tree/master/apps/sample/mqtt)**
>
> Legato Application Framework. Contribute to legatoproject/legato-af development by creating an account on GitHub.