# Fehlermeldung nach Installation Plugin Userlike

**URL:** https://forum.shopware.com/t/fehlermeldung-nach-installation-plugin-userlike/27009
**Category:** Shopware 3.5
**Tags:** general
**Created:** [7. Mai 2015 um 15:21 UTC](https://forum.shopware.com/t/fehlermeldung-nach-installation-plugin-userlike/27009 "2015-05-07T15:21:11Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Chriss\_ESTO](https://avatars.discourse-cdn.com/v4/letter/c/f14d63/32.png) [@Chriss\_ESTO](https://forum.shopware.com/u/Chriss_ESTO)
#### Post date: [7. Mai 2015 um 15:21 UTC](https://forum.shopware.com/t/fehlermeldung-nach-installation-plugin-userlike/27009/1 "2015-05-07T15:21:11Z")

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Hallo zusammen, bin am verzweifeln. Bekomme nach der Installation von dem Userlike plugin immer folgende Meldung: Jemand eine Idee, ich weiß nicht mehr weiter. Warning: call\_user\_func(Shopware\_Plugins\_Frontend\_ErrorPageRedirector\_Bootstrap::onStartDispatch) [function.call-user-func]: First argument is expected to be a valid callback in /mailnwvj/www.maison-esto.de/engine/Enlight/Enlight/Event/EventHandler.php on line 60 Fatal error: Uncaught exception ‘Zend\_Controller\_Response\_Exception’ with message ‘Cannot send headers; headers already sent in /mailnwvj/www.maison-esto.de/engine/Enlight/Enlight/Event/EventHandler.php, line 60’ in /mailnwvj/www.maison-esto.de/engine/Enlight/Vendor/Zend/library/Zend/Controller/Response/Abstract.php:321 Stack trace: #0 /mailnwvj/www.maison-esto.de/engine/Enlight/Vendor/Zend/library/Zend/Controller/Response/Abstract.php(115): Zend\_Controller\_Response\_Abstract-\>canSendHeaders(true) #1 /mailnwvj/www.maison-esto.de/engine/Shopware/Controllers/Frontend/Error.php(26): Zend\_Controller\_Response\_Abstract-\>setHeader(‘Content-Type’, ‘text/html; char…’) #2 /mailnwvj/www.maison-esto.de/engine/Enlight/Enlight/Controller/Action.php(70): Shopware\_Controllers\_Frontend\_Error-\>errorAction() #3 /mailnwvj/www.maison-esto.de/engine/Enlight/Enlight/Controller/Dispatcher/DispatcherDefault.php(329): Enlight\_Controller\_Action-\>dispatch(‘errorAction’) #4 /mailnwvj/www.maison-esto.de/engine/Enlight/Enlight/Controller/Front.php(99) in /mailnwvj/www.maison-esto.de/engine/Enlight/Vendor/Zend/library/Zend/Controller/Response/Abstract.php on line 321