# Fehler bei Update 3.5.6 auf 4: Cannot create LogWriter

**URL:** <https://forum.shopware.com/t/fehler-bei-update-3-5-6-auf-4-cannot-create-logwriter/19966>\
**Category:** Shopware 3.5\
**Tags:** installation--gettin\
**Created:** [28. April 2014 um 14:18 UTC](https://forum.shopware.com/t/fehler-bei-update-3-5-6-auf-4-cannot-create-logwriter/19966 "2014-04-28T14:18:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![buemo](https://avatars.discourse-cdn.com/v4/letter/b/c89c15/32.png) [@buemo](https://forum.shopware.com/u/buemo)\
**Post date:** [28. April 2014 um 14:18 UTC](https://forum.shopware.com/t/fehler-bei-update-3-5-6-auf-4-cannot-create-logwriter/19966/1 "2014-04-28T14:18:00Z")

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Hallo, beim Updateversuch von 3.5.6 auf 4 erhalte ich diese Fehlermeldung: `Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Cannot create LogWriter. Invalid resource handle.' in /var/customers/webs/web7/update/libs/Slim/LogWriter.php:60 Stack trace: #0 /var/customers/webs/web7/update/libs/Shopware/Update.php(291): Slim\LogWriter-\>\_\_construct(false) #1 /var/customers/webs/web7/update/index.php(64): Shopware\_Update-\>\_\_construct() #2 {main} thrown in /var/customers/webs/web7/update/libs/Slim/LogWriter.php on line 60 ` Kann mir da bitte jemand helfen?

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**Author:** ![buemo](https://avatars.discourse-cdn.com/v4/letter/b/c89c15/32.png) [@buemo](https://forum.shopware.com/u/buemo)\
**Post date:** [28. April 2014 um 20:02 UTC](https://forum.shopware.com/t/fehler-bei-update-3-5-6-auf-4-cannot-create-logwriter/19966/2 "2014-04-28T20:02:07Z")

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man sollte sicherstellen, dass die schreibrechte auf dem filesever passen :oops: