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Cannot export the active 3D view - Revit 2020.2 / Datasmith plugin 4.24

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    Cannot export the active 3D view - Revit 2020.2 / Datasmith plugin 4.24

    I just downloaded and installed Unreal Datasmith plugin in for 4.24. into Revit 2020.2. With a model of 3 walls and a floor, I am getting the below error on export. What am I doing wrong?

    Object reference not set to an instance of an object.

    at Autodesk.Revit.DB.CustomExporter.Export(View view)
    at DatasmithRevitExporter.DatasmithRevitCommand.Execute(ExternalCommandData in_commandData, String& out_commandMessage, ElementSet out_elements)

    #2
    Can you wetranfer me the revit model? We are going to look at the crash here. Please send it to pierrefelix.breton@epicgames.com with your name and description.
    Pierre-Felix Breton

    Sr Technical Product Manager AEC, Unreal Engine Enterprise
    Epic Games - LinkedIn

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      #3
      File emailed.

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        #4
        Same problem here, datasmith 4.24.1 and Revit 2020.2...have you got any luck to solve the issue?

        Cannot export the active 3D view:

        Object reference not set to an instance of an object.

        at Autodesk.Revit.DB.CustomExporter.Export(View view)
        at DatasmithRevitExporter.DatasmithRevitCommand.Execute(ExternalCommandData in_commandData, String& out_commandMessage, ElementSet out_elements)

        Attached Files
        Last edited by FrankiePibbs; 01-21-2020, 06:27 AM.

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          #5
          I noticed is something related to the phases, infact exporting models without them is currently working...
          I'm trying with a model with 90 phases (for 4d implementation) and it's having that problem mentioned before...

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            #6
            Sent model to Epic Staff and they are looking at it. My model was very small with only 3 walls and floor added to the arch template. I used a larger model of an interior and it worked fine. Revit Interior was set to Complete with no overrides.

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