I need upload a model from revit 2019 to 2021, prompt said model is missing many elements.
https://help.autodesk.com/view/RVT/2021/ENU/?guid=GUID-9AFAAE6B-4107-4478-8B80-53467FE118DB
I check the journal.txtas above, and find this missing elem ID in Revit 2019, can't find. I try to use Audit to open the model in Revit 2019 and the same problem comes up. But I can just open the model in Revit2019 without any problems.
https://help.autodesk.com/view/RVT/2021/ENU/?guid=GUID-A5E9D895-E3D4-4C9A-8AEC-DB9022A4BD33
I checked all the family files as above, and now I can export all the family files directly with no errors. But the problem remains.