Export and import 3dm file into hypermesh

Hey everyone I am trying to import 3dm files into hypermesh. unfortunately it is able to import some features while it is missing some. It was able to import all the features a few weeks back but it is missing the features. Has anyone faced this issue? Can anyone suggest what can be done?
Note- I cannot have step file as the geometry is a bit complicated, if I am trying to convert into STEP it is taking forever to export.