# Data unavailable after migration of weaviate version

**URL:** <https://forum.weaviate.io/t/data-unavailable-after-migration-of-weaviate-version/1809>\
**Category:** Support\
**Created:** [March 25, 2024, 8:09am UTC](https://forum.weaviate.io/t/data-unavailable-after-migration-of-weaviate-version/1809 "2024-03-25T08:09:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Dharanish](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.weaviate.io/dharanish/32/659_2.png) [@Dharanish](https://forum.weaviate.io/u/Dharanish)\
**Post date:** [March 25, 2024, 8:09am UTC](https://forum.weaviate.io/t/data-unavailable-after-migration-of-weaviate-version/1809/1 "2024-03-25T08:09:48Z")

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Hi team , migrating weaviate from 1.21.2 to 1.23.11 , Schemas are available data inside them are not. how to resolve this ?

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**Author:** ![DudaNogueira](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.weaviate.io/dudanogueira/32/7846_2.png) [@DudaNogueira](https://forum.weaviate.io/u/DudaNogueira)\
**Post date:** [March 25, 2024, 10:36am UTC](https://forum.weaviate.io/t/data-unavailable-after-migration-of-weaviate-version/1809/2 "2024-03-25T10:36:56Z")

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Hi @Dharanish !

There was an issue that I believe is connected to this and was fixed in this version:

> **[Release v1.24.3 - New mutli2vec-palm module, restoring backup for pre v1.23...](https://github.com/weaviate/weaviate/releases/tag/v1.24.3)**
>
> Breaking Changes
> none
> New Features
> none
> Fixes
> 
> Migrate to hierarchical file structure when restoring a backup from a pre-v1.23 releases by @redouan-rhazouani in #4457
> Migrate remaining goroutines t...

Maybe this is the same case?

here is the PR [Migrate to hierarchical file structure when restoring a backup from a pre-v1.23 releases by redouan-rhazouani · Pull Request #4457 · weaviate/weaviate · GitHub](https://github.com/weaviate/weaviate/pull/4457)