Request Failed: UNC paths should be of the form \\server\share.

System.ArgumentException: UNC paths should be of the form \\server\share.
at System.IO.Path.InsecureGetFullPath (string) <IL 0x00226, 0x002c7>
at System.IO.Path.GetFullPath (string) <IL 0x00001, 0x00013>
at System.IO.DirectoryInfo..ctor (string,bool) <IL 0x0000f, 0x00033>
at System.IO.DirectoryInfo..ctor (string) <IL 0x00003, 0x0001f>
at (wrapper remoting-invoke-with-check) System.IO.DirectoryInfo..ctor (string) <IL 0x0001a, 0x0003b>
at NzbDrone.Core.Tv.SeriesService.UpdateSeries (System.Collections.Generic.List`1<NzbDrone.Core.Tv.Series>) [0x0004d] in M:\BuildAgent\work\6c3239faf2b92630\src\NzbDrone.Core\Tv\SeriesService.cs:199
at NzbDrone.Api.Series.SeriesEditorModule.SaveAll () [0x00027] in M:\BuildAgent\work\6c3239faf2b92630\src\NzbDrone.Api\Series\SeriesEditorModule.cs:26
at NzbDrone.Api.Series.SeriesEditorModule.<.ctor>b__1_0 (object) [0x00000] in M:\BuildAgent\work\6c3239faf2b92630\src\NzbDrone.Api\Series\SeriesEditorModule.cs:17
at (wrapper dynamic-method) object.CallSite.Target (System.Runtime.CompilerServices.Closure,System.Runtime.CompilerServices.CallSite,System.Func`2<object, object>,object) <IL 0x00038, 0x000a0>
at Nancy.Routing.Route/<>c__DisplayClass4.<Wrap>b__3 (object,System.Threading.CancellationToken) <IL 0x0005f, 0x00137>

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Unable to get free space and unmapped folders for root folder: /media/DiamondDogs/TV3/: UNC paths should be of the form \\server\share.

System.ArgumentException: UNC paths should be of the form \\server\share.
  at System.IO.Path.InsecureGetFullPath (System.String path) [0x00000] in <filename unknown>:0
  at System.IO.Path.GetFullPath (System.String path) [0x00000] in <filename unknown>:0
  at System.IO.FileInfo..ctor (System.String fileName) [0x00000] in <filename unknown>:0
  at (wrapper remoting-invoke-with-check) System.IO.FileInfo:.ctor (string)
  at NzbDrone.Common.Extensions.PathExtensions.CleanFilePath (System.String path) [0x00083] in M:\BuildAgent\work\6c3239faf2b92630\src\NzbDrone.Common\Extensions\PathExtensions.cs:31
  at NzbDrone.Common.PathEqualityComparer.GetHashCode (System.String obj) [0x00018] in M:\BuildAgent\work\6c3239faf2b92630\src\NzbDrone.Common\PathEqualityComparer.cs:28
  at System.Collections.Generic.HashSet`1[System.String].GetItemHashCode (System.String item) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.HashSet`1[System.String].Add (System.String item) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.HashSet`1[System.String]..ctor (IEnumerable`1 collection, IEqualityComparer`1 comparer) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateExceptIterator>c__Iterator4`1[System.String].MoveNext () [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[System.String].AddEnumerable (IEnumerable`1 enumerable) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[System.String]..ctor (IEnumerable`1 collection) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable.ToList[String] (IEnumerable`1 source) [0x00000] in <filename unknown>:0
  at NzbDrone.Core.RootFolders.RootFolderService.GetUnmappedFolders (System.String path) [0x00077] in M:\BuildAgent\work\6c3239faf2b92630\src\NzbDrone.Core\RootFolders\RootFolderService.cs:147
  at NzbDrone.Core.RootFolders.RootFolderService.<AllWithUnmappedFolders>b__8_0 (NzbDrone.Core.RootFolders.RootFolder folder) [0x00037] in M:\BuildAgent\work\6c3239faf2b92630\src\NzbDrone.Core\RootFolders\RootFolderService.cs:75