# Plugin Manager error 503

**URL:** <https://forum.shopware.com/t/plugin-manager-error-503/23791>\
**Category:** Shopware 3.5\
**Tags:** administration\
**Created:** [25. November 2014 um 15:51 UTC](https://forum.shopware.com/t/plugin-manager-error-503/23791 "2014-11-25T15:51:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jumbo](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@jumbo](https://forum.shopware.com/u/jumbo)\
**Post date:** [25. November 2014 um 15:51 UTC](https://forum.shopware.com/t/plugin-manager-error-503/23791/1 "2014-11-25T15:51:46Z")

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Hallo, Ich habe ein Problem mit dem Plugin Manager =\> Meine Erweiterungen. nach Eingabe Ich habe diese Nachrich: Fatal error: Class ‘Shopware\_Plugins\_Backend\_HtmlWidget\_BootstrapDummy’ not found in C:\xampp\htdocs\my\_folder\engine\Shopware\Components\Plugin\Namespace.php on line 254 503 Service Unavailable