The only open view has been deleted because of changes from the Central Model. Open another view and Reload Latest or Synchronize with Central again.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

C#
`public static FailureDefinitionId ReloadLatestDeletedLastOpenView { get; }`

Visual Basic
`Public Shared ReadOnly Property ReloadLatestDeletedLastOpenView As FailureDefinitionId Get`

Visual C++
`public: static property FailureDefinitionId^ ReloadLatestDeletedLastOpenView { FailureDefinitionId^ get (); }`

See Also