# Plugins install failed

**URL:** <https://forum.mautic.org/t/plugins-install-failed/10383>\
**Category:** Product Support\
**Created:** [March 27, 2018, 9:45am UTC](https://forum.mautic.org/t/plugins-install-failed/10383 "2018-03-27T09:45:22Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![marcouille49](https://avatars.discourse-cdn.com/v4/letter/m/5daacb/32.png) [@marcouille49](https://forum.mautic.org/u/marcouille49)\
**Post date:** [March 27, 2018, 9:45am UTC](https://forum.mautic.org/t/plugins-install-failed/10383/1 "2018-03-27T09:45:22Z")

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Hi,

I’ve install a plugins (INES CRM). Now Mautic is down. I’ve a error :  
PHP Fatal error: Uncaught Symfony\Component\Debug\Exception\ClassNotFoundException: Attempted to load class “LeadSubscriber” from namespace “MauticPlugin\MauticCrmBundle\EventList ener”.  
I can do anithing except clear the cache.  
How can uninstall properly this plugins ?

regards

Marc

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**Author:** ![marcouille49](https://avatars.discourse-cdn.com/v4/letter/m/5daacb/32.png) [@marcouille49](https://forum.mautic.org/u/marcouille49)\
**Post date:** [March 27, 2018, 3:58pm UTC](https://forum.mautic.org/t/plugins-install-failed/10383/2 "2018-03-27T15:58:31Z")

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From here  
[https://www.mautic.org/mixin/ines-crm-plugin-sync/](https://www.mautic.org/mixin/ines-crm-plugin-sync/)  
Synchronise Mautic width INES CRM

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**Author:** ![marcouille49](https://avatars.discourse-cdn.com/v4/letter/m/5daacb/32.png) [@marcouille49](https://forum.mautic.org/u/marcouille49)\
**Post date:** [March 28, 2018, 12:41pm UTC](https://forum.mautic.org/t/plugins-install-failed/10383/3 "2018-03-28T12:41:39Z")

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Ok thanks MxyzptlkFishStix !!  
What I’ve done :  
I’ve copy the directory MauticCrmBundle inside the zip in the plugin directory of Mautic  
And then “install/update plugins” in the interface.

FYI, I don’t use Crimeflare.

Regards

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**Author:** ![pboisdenghien](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/pboisdenghien/32/1712_2.png) [@pboisdenghien](https://forum.mautic.org/u/pboisdenghien)\
**Post date:** [May 23, 2018, 9:03am UTC](https://forum.mautic.org/t/plugins-install-failed/10383/4 "2018-05-23T09:03:29Z")

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Hi,

I have tried to install Ines CRM Plugin, but was not successful as they are many files and no explanations !

I am wondering if you could help me by explaining our to proceed ?

Regards

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**Author:** ![marcouille49](https://avatars.discourse-cdn.com/v4/letter/m/5daacb/32.png) [@marcouille49](https://forum.mautic.org/u/marcouille49)\
**Post date:** [May 24, 2018, 4:18am UTC](https://forum.mautic.org/t/plugins-install-failed/10383/5 "2018-05-24T04:18:17Z")

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Hi Patrick,

I will test again in a while.

Regards