It is detecting something bad in a toolkit for rocksmith for a addon for a game that is like guitar hero but with real guitar.
Potentially unwanted application cleaned up
This application is not malicious but has potentially unwanted behavior, such as adware
Generic PUA EM
/Volumes/Rocksmith Tools MOS Catalina/Rocksmith Tools macOS Catalina/Rocksmith Toolkit.app/Contents/Frameworks/wswine.bundle/lib/wine/arp.exe
If you believe a detection was made in error please review the following KB for Requests to re-categorize by third parties for PUA/Adware detections (possible Deceptor component). Please check this article for more information.