root element missing error when trying to login

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Claus Nedergaard 62 posts 104 karma points

Aug 18, 2013 @ 21:38

bugs

My client have run this site for 4 months with no problems.

Now it throws this Exception Details: System.Xml.XmlException: Root element is missing.

Stack Trace: 

[XmlException: Root element is missing.]
   System.Xml.XmlTextReaderImpl.ThrowWithoutLineInfo(String res) +198
   System.Xml.XmlTextReaderImpl.ParseDocumentContent() +5206540
   System.Xml.Linq.XDocument.Load(XmlReader reader, LoadOptions options) +61
   System.Xml.Linq.XDocument.Load(String uri, LoadOptions options) +143
   umbraco.BusinessLogic.ApplicationTree.LoadXml(Action`1 callback, Boolean saveAfterCallback) +129
   umbraco.BusinessLogic.ApplicationTree.EnsureCache() +255
   umbraco.BusinessLogic.ApplicationTree.get_AppTrees() +9
   umbraco.cms.presentation.Trees.TreeDefinitionCollection.EnsureTreesRegistered(Boolean clearFirst) +241
   umbraco.controls.Tree.TreeControl.Initialize() +231
   umbraco.controls.Tree.TreeControl.OnPreRender(EventArgs e) +193
   System.Web.UI.Control.PreRenderRecursiveInternal() +113
   System.Web.UI.Control.PreRenderRecursiveInternal() +222
   System.Web.UI.Control.PreRenderRecursiveInternal() +222
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4201

Neither of us can login to the backend.

Any ideas?

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Sam 2 posts 24 karma points

Mar 06, 2014 @ 23:00

0

Hi Claus,

Have you fixed the issue? I have the same login problem.

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Danny Summers 22 posts 82 karma points

Mar 31, 2014 @ 12:08

0

Hi guys,

Any word back on this one? We're seeing the exact same error upon login. A lot of the related issues I'm seeing are all to do with creating packages, which we don't do.

Has any one else managed to fix this issue?

We're running Umbraco 6.0.5

Many thanks,
Danny

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Claus Nedergaard 62 posts 104 karma points

Mar 31, 2014 @ 12:56

100

Hi,

No - unfortunenately we never managed to locate the error. We did a restore from the backup.

Very fristrating since it came out of the blue.

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Sam 2 posts 24 karma points

Mar 31, 2014 @ 13:06

2

Hi,

I've found that my tree.conf was empty. The file content restoring fixed the issue.

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Danny Summers 22 posts 82 karma points

Apr 14, 2014 @ 01:15

0

Thanks Sam - this seems to have fixed the issue for us. Thank you so much for the tip!

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Jason Prothero 422 posts 1243 karma points c-trib

Sep 15, 2015 @ 15:46

0

Yea, we had the same issue when the disk was full. The trees.config was empty and caused this issue.

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Nontobeko 1 post 71 karma points

Oct 20, 2015 @ 07:55

0

my customer is unable to login,he recieved an error massage "unexpected error occured,root element missing"....help

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