# Dgraph v20.11.2 restore to v21.03.0 Error fetching schema from server: Failed to fetch

**URL:** <https://discuss.dgraph.io/t/dgraph-v20-11-2-restore-to-v21-03-0-error-fetching-schema-from-server-failed-to-fetch/14263>\
**Category:** Dgraph\
**Tags:** kind:question\
**Created:** [May 21, 2021, 2:54am UTC](https://discuss.dgraph.io/t/dgraph-v20-11-2-restore-to-v21-03-0-error-fetching-schema-from-server-failed-to-fetch/14263 "2021-05-21T02:54:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![lee.chen](https://avatars.discourse-cdn.com/v4/letter/l/c0e974/32.png) [@lee.chen](https://discuss.dgraph.io/u/lee.chen)\
**Post date:** [May 21, 2021, 2:54am UTC](https://discuss.dgraph.io/t/dgraph-v20-11-2-restore-to-v21-03-0-error-fetching-schema-from-server-failed-to-fetch/14263/1 "2021-05-21T02:54:31Z")

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```auto
I0521 02:51:42.970153 23 groups.go:341] group 1 checksum: 8768045153062387575
I0521 02:51:43.121760 23 server.go:1173] Got a query: query:"{ q(func: uid(1)) { uid } }"
I0521 02:51:43.123386 23 groups.go:1024] Batched 1 updates. Max Assigned: 9696427. Proposing Deltas:
I0521 02:51:43.123637 23 oracle.go:209] ProcessDelta: Max Assigned: 9696427
I0521 02:51:43.123661 23 oracle.go:210] ProcessDelta: Group checksum: map[1:8768045153062387575]
I0521 02:51:43.595900 23 server.go:1173] Got a query: query:"schema {}"
I0521 02:51:43.597206 23 groups.go:1024] Batched 1 updates. Max Assigned: 9696428. Proposing Deltas:
I0521 02:51:43.597335 23 oracle.go:209] ProcessDelta: Max Assigned: 9696428
I0521 02:51:43.597348 23 oracle.go:210] ProcessDelta: Group checksum: map[1:8768045153062387575]
2021/05/21 02:51:43 Assert failed
github.com/dgraph-io/dgraph/x.AssertTrue
/home/user/valdanito/teamcity/buildAgent/work/7986cb142993e25a/x/error.go:100
github.com/dgraph-io/dgraph/x.ParseNamespaceAttr
/home/user/valdanito/teamcity/buildAgent/work/7986cb142993e25a/x/keys.go:87
github.com/dgraph-io/dgraph/query.filterTypesForNamespace
/home/user/valdanito/teamcity/buildAgent/work/7986cb142993e25a/query/query.go:2956
github.com/dgraph-io/dgraph/query.(*Request).Process
/home/user/valdanito/teamcity/buildAgent/work/7986cb142993e25a/query/query.go:2944
github.com/dgraph-io/dgraph/edgraph.processQuery
/home/user/valdanito/teamcity/buildAgent/work/7986cb142993e25a/edgraph/server.go:1366
github.com/dgraph-io/dgraph/edgraph.(*Server).doQuery
/home/user/valdanito/teamcity/buildAgent/work/7986cb142993e25a/edgraph/server.go:1269

```

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<div class="post-metadata">

**Author:** ![MichelDiz](https://yyz1.discourse-cdn.com/flex007/user_avatar/discuss.dgraph.io/micheldiz/32/11873_2.png) [@MichelDiz](https://discuss.dgraph.io/u/MichelDiz)\
**Post date:** [May 21, 2021, 3:12am UTC](https://discuss.dgraph.io/t/dgraph-v20-11-2-restore-to-v21-03-0-error-fetching-schema-from-server-failed-to-fetch/14263/2 "2021-05-21T03:12:54Z")

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Restore? are you using EE feature?