# Dgraph Ratel not working in 20.11.2

**URL:** <https://discuss.dgraph.io/t/dgraph-ratel-not-working-in-20-11-2/13277>\
**Category:** Ratel\
**Created:** [March 18, 2021, 11:27am UTC](https://discuss.dgraph.io/t/dgraph-ratel-not-working-in-20-11-2/13277 "2021-03-18T11:27:21Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![maaft](https://avatars.discourse-cdn.com/v4/letter/m/4af34b/32.png) [@maaft](https://discuss.dgraph.io/u/maaft)\
**Post date:** [March 18, 2021, 11:27am UTC](https://discuss.dgraph.io/t/dgraph-ratel-not-working-in-20-11-2/13277/1 "2021-03-18T11:27:21Z")

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Latest version installed via curl.

dgraph alpha and dgraph zero started, schema is posted.

When I open dgraph-ratel on :8000 I see all predicates:

 ![image](https://canada1.discourse-cdn.com/flex007/uploads/dgraph/original/2X/6/6cfefb47c0412a6157c09e2a6225959d3864ce93.png)

When I click on a predicate, the react app crashes:

 ![image](https://canada1.discourse-cdn.com/flex007/uploads/dgraph/original/2X/c/c48bc805e49bc8f7dcaa6a01bb852dcc01d667b1.png)

And finally dgraph gives this output when opening ratel on :8000

```auto
I0318 12:25:36.643859 27244 server.go:1387] Got Login request from: "[::1]:35828"
E0318 12:25:36.645066 27244 access_ee.go:79] Authentication from address [::1]:35828 failed: unable to authenticate: invalid username or password

```

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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:** [March 18, 2021, 3:42pm UTC](https://discuss.dgraph.io/t/dgraph-ratel-not-working-in-20-11-2/13277/2 "2021-03-18T15:42:36Z")

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Are you using ACL?

PS. I’m using Ratel with master(which is something like 21.xx.x) and it is running just fine. Maybe it is another issue. Presumably ACL.

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<div class="post-metadata">

**Author:** ![maaft](https://avatars.discourse-cdn.com/v4/letter/m/4af34b/32.png) [@maaft](https://discuss.dgraph.io/u/maaft)\
**Post date:** [March 19, 2021, 12:43pm UTC](https://discuss.dgraph.io/t/dgraph-ratel-not-working-in-20-11-2/13277/3 "2021-03-19T12:43:12Z")

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No, I’m not using ACL. I’ll try to dig deeper and find the root cause. Could this be schema-dependant?

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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:** [March 19, 2021, 11:52pm UTC](https://discuss.dgraph.io/t/dgraph-ratel-not-working-in-20-11-2/13277/4 "2021-03-19T23:52:03Z")

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This looks similar to this [Ratel crashes with a blank screen when clicking schema Predicate or Samples & Statistics](http://discuss.hypermode.com/t/ratel-crashes-with-a-blank-screen-when-clicking-schema-predicate-or-samples-statistics/12970)

If you have some news please share details on how to reproduce it.