errore salvataggio

Good morning, I don't give it out with saving and customizing the material library. I list all the errors that give me by attaching screenshots. premise: Autodesk inventor 2017 perfectly fired and updated. new?lamiera?create?1 errorI do ok to continue and I get the 2nd mistakeI do ok to...

Bye to all, drawing in 3d with autocad on my machine, a z400 xeon processor 3 ghz, 6 gb ram with w7 pro 64bit, when trying to launch the save command appears to me the message: impossible to save one or more drawing objects in the specified format. the operation was not completed and no files...