# Fehler nach update composer

**URL:** https://forum.shopware.com/t/fehler-nach-update-composer/47534
**Category:** Programmierung
**Created:** [12. August 2017 um 19:59 UTC](https://forum.shopware.com/t/fehler-nach-update-composer/47534 "2017-08-12T19:59:12Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![abdes](https://avatars.discourse-cdn.com/v4/letter/a/a9a28c/32.png) [@abdes](https://forum.shopware.com/u/abdes)
#### Post date: [12. August 2017 um 19:59 UTC](https://forum.shopware.com/t/fehler-nach-update-composer/47534/1 "2017-08-12T19:59:12Z")

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Hallo,&nbsp;

ich wolte&nbsp;symfony/var-dumper installieren aber nach dem Befehl &nbsp; _composer require symfony/var-dumper &nbsp;_&nbsp;&nbsp;wird dieser Fehler&nbsp;auf das Terminal gezeigt

```
Warning: Ambiguous class resolution, "Doctrine\ORM\Persisters\Entity\BasicEntityPersister" was found in both "$baseDir . '/engine/Library/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php" and "C:/wamp64/www/w/shopware_5.3.0/vendor/doctrine/orm/lib\Doctrine\ORM\Persisters\Entity\BasicEntityPersister.php", the first will be used.
Warning: Ambiguous class resolution, "Doctrine\Common\Proxy\AbstractProxyFactory" was found in both "$baseDir . '/engine/Library/Doctrine/Common/Proxy/AbstractProxyFactory.php" and "C:/wamp64/www/w/shopware_5.3.0/vendor/doctrine/common/lib/Doctrine/Common\Proxy\AbstractProxyFactory.php", the first will be used.

```

- Ich kriege diese Fehler im Browser und &nbsp;Ich kann nicht den Shopware öffnen

&nbsp;

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### Author: ![waldicom](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.shopware.com/waldicom/32/12881_2.png) [@waldicom](https://forum.shopware.com/u/waldicom)
#### Post date: [12. August 2017 um 20:17 UTC](https://forum.shopware.com/t/fehler-nach-update-composer/47534/2 "2017-08-12T20:17:09Z")

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Die ersten beiden sind Warnings, kannst du ignorieren.  
Beim zweiten Fehler kannst du den composer mit “–no-dev” asuführen.

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### Author: ![abdes](https://avatars.discourse-cdn.com/v4/letter/a/a9a28c/32.png) [@abdes](https://forum.shopware.com/u/abdes)
#### Post date: [12. August 2017 um 21:12 UTC](https://forum.shopware.com/t/fehler-nach-update-composer/47534/3 "2017-08-12T21:12:13Z")

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Vielen dank&nbsp; ![Thumb-Up](https://europe1.discourse-cdn.com/flex013/uploads/shopware/original/1X/7fcda44f782696668a3d093569d15e88105769e1.png "Thumb-Up")

ich habe jetzt die Fehler beheben &nbsp;&nbsp;