Issue description
A file originating from Autodesk Revit cannot be imported into Archicad.
Solution
Linking an RVT File via Hotlink
File > External Content > Place Hotlink.
An RVT file can be linked to the project file using a hotlink. Optionally, the hotlink or the Revit file can be embedded or the hotlink can be removed using the Hotlink Module Manager (File > External Content > Hotlink Module Manager).
Importing an RFA File via Menu Command
File > Libraries and Objects > Import RFA as GDL Object.
An RFA file can be imported into the project as an object using the above menu command.
TIP: Alternatively, IFC exchange is recommended. IFC Data Exchange.