# Fatal error in FroshProfiler plugin

**URL:** <https://forum.shopware.com/t/fatal-error-in-froshprofiler-plugin/52167>\
**Category:** International (English Only)\
**Tags:** general\
**Created:** [4. April 2018 um 07:02 UTC](https://forum.shopware.com/t/fatal-error-in-froshprofiler-plugin/52167 "2018-04-04T07:02:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![rcktn123](https://avatars.discourse-cdn.com/v4/letter/r/858c86/32.png) [@rcktn123](https://forum.shopware.com/u/rcktn123)\
**Post date:** [4. April 2018 um 07:02 UTC](https://forum.shopware.com/t/fatal-error-in-froshprofiler-plugin/52167/1 "2018-04-04T07:02:23Z")

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In our system, we got the following error, please provide the solution for this,  
**Fatal error** : Uncaught Error: Class ‘Symfony\Component\Stopwatch\Stopwatch’ not found in custom/plugins/FroshProfiler/Components/Event/EventManager.php:55

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**Author:** ![hsoebbing](https://avatars.discourse-cdn.com/v4/letter/h/898d66/32.png) [@hsoebbing](https://forum.shopware.com/u/hsoebbing)\
**Post date:** [4. April 2018 um 07:06 UTC](https://forum.shopware.com/t/fatal-error-in-froshprofiler-plugin/52167/2 "2018-04-04T07:06:46Z")

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Did you do a „composer install“ in the plugin directory?