# Kibana 6.1.1

**URL:** <https://discuss.elastic.co/t/kibana-6-1-1/115923>\
**Category:** Kibana\
**Created:** [January 17, 2018, 4:23pm UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923 "2018-01-17T16:23:40Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![Charles\_Lassiter](https://avatars.discourse-cdn.com/v4/letter/c/e47c2d/32.png) [@Charles\_Lassiter](https://discuss.elastic.co/u/Charles_Lassiter)\
**Post date:** [January 17, 2018, 4:23pm UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923/1 "2018-01-17T16:23:40Z")

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Issue loading Kibana UI. Chrome shows the following error:  
TypeError {stack: (...), message: "undefined is not a function"}

Firefox loads but Discover shows the following:

Discover: Content-Type header [application/x-ndjson; charset=UTF-8] is not supported

I attempted to delete the /optimize content and restart kibana but that did not fix the issue. I'm at a loss here.

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**Author:** ![chrisronline](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/chrisronline/32/28230_2.png) [@chrisronline](https://discuss.elastic.co/u/chrisronline)\
**Post date:** [January 17, 2018, 7:52pm UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923/2 "2018-01-17T19:52:34Z")

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Hi @Charles_Lassiter,

How are you installing Kibana? Are you using X-Pack? What is your environment? Can you paste the full error from Chrome?

Thanks,  
Chris

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<div class="post-metadata">

**Author:** ![Charles\_Lassiter](https://avatars.discourse-cdn.com/v4/letter/c/e47c2d/32.png) [@Charles\_Lassiter](https://discuss.elastic.co/u/Charles_Lassiter)\
**Post date:** [January 18, 2018, 11:29am UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923/3 "2018-01-18T11:29:22Z")

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My environment is Linux (Centos 7). Installed via yum. I can't paste the Chrome error (sperate network). But I'll do my best to re-type it here. This is all via the Chrome Developer tools:

TypeError

message: "undefined is not a function"  
stack: (...)  
get stack: function () { [native code] }  
set stack: function () { [native code] }  
**proto** : Error

Firefox shows the following:

Error: Content-Type header [application/x-ndjson; charset=UTF-8] is not supported  
ErrorAbstract@[URL]/bundles/kibana.bundle.js?v=16350:61:151593  
StatusCodeError@[URL]/bundles/kibana.bundle.js?v=16350:61:155122  
respond@[URL]/bundles/kibana.bundle.js?v=16350:61:161537  
checkRespForFailure@[URL]/bundles/kibana.bundle.js?v=16350:61:160804  
AngularConnector.prototype.request/\<[URL]/bundles/kibana.bundle.js?v=16350:61:29063  
processQueue@[URL]/bundles/comms.bundle.js?v=16350:29:132418  
scheduleProcessQueue/\<[URL]/bundles/comms.bundle.js?v=16350:29:133349  
$RootScopeProvider/this.$get\</Scope.prototype.$digest@[URL]/bundles/comms.bundle.js?v=16350:29:144239  
$RootScopeProvider/this.$get\</Scope.prototype.$apply@[URL]/bundles/comms.bundle.js?v=16350:29:144239  
done@[URL]/bundles/comms.bundle.js?v=16350:29:999995  
completeRequest@[URL]/bundles/comms.bundle.js?v=16350:29:104697  
createHttpBackend/\</xhr.onload@[URL]/bundles/comms.bundle.js?v=16350:29:105435

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<div class="post-metadata">

**Author:** ![chrisronline](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/chrisronline/32/28230_2.png) [@chrisronline](https://discuss.elastic.co/u/chrisronline)\
**Post date:** [January 18, 2018, 2:19pm UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923/4 "2018-01-18T14:19:00Z")

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Hmm. I'm not sure.

Kibana 6.1.2 is available now. Can you try downloading that and seeing if you still experience issues?

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<div class="post-metadata">

**Author:** ![Charles\_Lassiter](https://avatars.discourse-cdn.com/v4/letter/c/e47c2d/32.png) [@Charles\_Lassiter](https://discuss.elastic.co/u/Charles_Lassiter)\
**Post date:** [January 23, 2018, 11:44am UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923/5 "2018-01-23T11:44:45Z")

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I'll try that and let you know the result

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<div class="post-metadata">

**Author:** ![Charles\_Lassiter](https://avatars.discourse-cdn.com/v4/letter/c/e47c2d/32.png) [@Charles\_Lassiter](https://discuss.elastic.co/u/Charles_Lassiter)\
**Post date:** [January 24, 2018, 5:26pm UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923/6 "2018-01-24T17:26:26Z")

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Updated to 6.1.2 and still see the same error

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<div class="post-metadata">

**Author:** ![Charles\_Lassiter](https://avatars.discourse-cdn.com/v4/letter/c/e47c2d/32.png) [@Charles\_Lassiter](https://discuss.elastic.co/u/Charles_Lassiter)\
**Post date:** [January 24, 2018, 7:57pm UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923/7 "2018-01-24T19:57:05Z")

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It was the browser. outdated version of FF and Chrome ----\_\_\_\_\_\_\_\_\_\_----

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 21, 2018, 7:57pm UTC](https://discuss.elastic.co/t/kibana-6-1-1/115923/8 "2018-02-21T19:57:16Z")

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