Morning! Normally I can assist students with installing the parallels to eventually install the ArcGIS ArcMAP on the Mac but this message is a new one I am unfamiliar with? Any suggestions? Thanks!
Recently asked https://community.esri.com/message/781711-installing-windows-on-mac
IMHO simply configure your Guest VM to run with about 1/2 available RAM--works well for the VMWare Fusion installs, don't expect Parallels to be any different.