After I import a non Inventor file type into the .iam assembly model, I lose right click options.
This is the procedure I'm following and its super repeatable.
1. Open a .iam assembly model with some existing files inside.
2. Save a .STEP (or .sldprt or .igs, etc.) into my working directory.
3. Drag and drop this file into the assembly model window.
4. Place a constraint on the imported file (Inventor says the file must be saved first)
5. Save the assembly.
6. Right click does not work.
5. Try a right click operation