MB3 server crash during library scan

[khaoohs 0]

The complete debug log is too large (even zipped) to upload.

2014-11-26 15:43:59.7401 Info - App: HttpClientManager GET: http://api.fanart.tv/webservice/artist/5c6b04c68e904cfed1e6cbc9a9e683d4/5a24bc1a-c093-4a82-84ed-8d7f2da0570d/xml/all/1/1
2014-11-26 15:44:00.3494 Info - App: HttpClientManager GET: http://assets.fanart.tv/fanart/music/5a24bc1a-c093-4a82-84ed-8d7f2da0570d/musiclogo/skinny-puppy-4e14825d6d200.png
2014-11-26 15:44:00.8482 Debug - ProviderManager: Saving image to /var/lib/mediabrowser/ImagesByName/artists/Skinny Puppy/logo.png
2014-11-26 15:44:00.8488 Info - App: HttpClientManager GET: http://assets.fanart.tv/fanart/music/5a24bc1a-c093-4a82-84ed-8d7f2da0570d/artistbackground/skinny-puppy-4e1484187fb53.jpg
2014-11-26 15:44:01.5034 Debug - ProviderManager: Saving image to /var/lib/mediabrowser/ImagesByName/artists/Skinny Puppy/fanart.jpg
2014-11-26 15:44:01.5043 Debug - App: Running AudioDbArtistImageProvider for /var/lib/mediabrowser/ImagesByName/artists/Skinny Puppy
2014-11-26 15:44:01.5043 Info - App: HttpClientManager GET: http://www.theaudiodb.com/images/media/artist/thumb/uurppu1348100460.jpg
2014-11-26 15:44:02.0931 Error - Main: UnhandledException
        The underlying Task is already in one of the three final states: RanToCompletion, Faulted, or Canceled.
        System.InvalidOperationException
          at System.Threading.Tasks.TaskCompletionSource`1[System.Int32].SetException (IEnumerable`1 exceptions) [0x00000] in <filename unknown>:0
          at System.Threading.Tasks.TaskCompletionSource`1[System.Int32].SetException (System.Exception exception) [0x00000] in <filename unknown>:0
          at System.Threading.Tasks.TaskFactory`1[System.Int32].InnerInvoke (System.Threading.Tasks.TaskCompletionSource`1 tcs, System.Func`2 endMethod, IAsyncResult l) [0x00000] in <filename unknown>:0
          at System.Threading.Tasks.TaskFactory`1+<FromAsyncBeginEnd>c__AnonStorey5`3[System.Int32,System.Byte[],System.Int32,System.Int32].<>m__0 (IAsyncResult l) [0x00000] in <filename unknown>:0
          at System.Net.WebAsyncResult.CB (System.Object unused) [0x00000] in <filename unknown>:0