# Error during sync

**URL:** <https://discourse.joplinapp.org/t/error-during-sync/21479>\
**Category:** Support\
**Created:** [3 November 2021 19:30 UTC](https://discourse.joplinapp.org/t/error-during-sync/21479 "2021-11-03T19:30:37Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![bre](https://yyz2.discourse-cdn.com/flex028/user_avatar/discourse.joplinapp.org/bre/32/16423_2.png) [@bre](https://discourse.joplinapp.org/u/bre)\
**Post date:** [3 November 2021 19:30 UTC](https://discourse.joplinapp.org/t/error-during-sync/21479/1 "2021-11-03T19:30:37Z")

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12.5.1 under iOS 15.1

I was able to sync Joplin with next cloud server for a long time.  
Today I decided to encrypt my notes and got the following error.  
What should do next?

 ![image](https://canada1.discourse-cdn.com/flex028/uploads/cozic/original/2X/a/ac465f9d0144608e6c20fe25e3f05f562f51bcd3.jpeg)

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**Author:** ![laurent](https://avatars.discourse-cdn.com/v4/letter/l/ce7236/32.png) [@laurent](https://discourse.joplinapp.org/u/laurent)\
**Post date:** [3 November 2021 19:32 UTC](https://discourse.joplinapp.org/t/error-during-sync/21479/2 "2021-11-03T19:32:15Z")

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Good old FileLocked error. It's a Nextcloud bug and you need to add Redis for file locking.

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**Author:** ![bre](https://yyz2.discourse-cdn.com/flex028/user_avatar/discourse.joplinapp.org/bre/32/16423_2.png) [@bre](https://discourse.joplinapp.org/u/bre)\
**Post date:** [3 November 2021 19:43 UTC](https://discourse.joplinapp.org/t/error-during-sync/21479/3 "2021-11-03T19:43:53Z")

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How do I do that?

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**Author:** ![laurent](https://avatars.discourse-cdn.com/v4/letter/l/ce7236/32.png) [@laurent](https://discourse.joplinapp.org/u/laurent)\
**Post date:** [3 November 2021 20:21 UTC](https://discourse.joplinapp.org/t/error-during-sync/21479/4 "2021-11-03T20:21:49Z")

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There are dozens of posts about this in this forum and maybe even more on the official Nextcloud forum, so you'll probably find what you need if you search.

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**Author:** ![system](https://canada1.discourse-cdn.com/flex028/uploads/cozic/original/3X/1/c/1c948e33314e232a0927789508474d8624f4270b.png) [@system](https://discourse.joplinapp.org/u/system)\
**Post date:** [3 December 2021 20:22 UTC](https://discourse.joplinapp.org/t/error-during-sync/21479/5 "2021-12-03T20:22:38Z")

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