There are known issues with CyberGraphX v4, OS 3.2 and the new Intuition v47
http://aminet.net/docs/help/AmigaOS_3.2-FAQ.txt -> 5.2
Maybe that is the issue that you have experienced? I think that Thomas Ritcher has an OS 3.1.4/3.2 thread somewhere, where this is mentioned in more details.