okay, create a new document as VPE-Doc, choose pagesetup, choosing "userdefinend" and try to set width and height in the pagesetupdialog, choosing "userdefined format".
Now set the height to 70 mm and width to 120, then close setupdialog with "OK"
the following message appears: "Geben Sie bitte eine ganze Zahl zwischen 100 und 99900 ein.