Unreal Engine Issues

UE-66985

Fails to export a project from Revit 2019 - Cannot export the active 3D view: Object reference not set to an instance of an object

Fails to export a project from Revit 2019 - Cannot export the active 3D view: Object reference not set to an instance of an object

Steps to Reproduce
  1. load attached project in Revit 2019 [Link Removed]
  2. Export 3D view 3D UE4 with Add-Ins > Export 3D View

RESULT
Fails to export. An error message is displayed

---------------------------
Export 3D View to Unreal Datasmith
---------------------------
Cannot export the active 3D view:

Object reference not set to an instance of an object.

   at Autodesk.Revit.DB.CustomExporter.Export(View3D view)

   at DatasmithRevitExporter.DatasmithRevitCommand.Execute(ExternalCommandData in_commandData, String& out_commandMessage, ElementSet out_elements)
---------------------------
OK   
---------------------------

Cannot export the active 3D view: Object reference not set to an instance of an object. at Autodesk.Revit.DB.CustomExporter.Export(View3D view) at DatasmithRevitExporter.DatasmithRevitCommand.Execute(ExternalCommandData in_commandData, String& out_commandMessage, ElementSet out_elements)

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Fixed
ComponentUE - Editor - Content Pipeline - Datasmith - Exporters
Affects Versions4.21e1
Target Fix4.21e1
Fix Commit4611381
Main Commit4705151
CreatedNov 29, 2018
ResolvedNov 29, 2018
UpdatedOct 6, 2020
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