You might want to have a look at this document:
https://support.presonus.com/hc/en-us/articles/360034790891-Apple-macOS-X-10-15-Compatibility-Statement-
Universal Control 1.7.6 - [Updated: 12-4-2019] - for FireWire products still work on Mac OS X 10.8.5—macOS 10.14 Mojave (Windows 7, 8.1, and 10, as well as). However, it will not be available on macOS 10.15 Catalina or future macOS versions. Users of these products are advised not to update their systems beyond macOS 10.14 Mojave:
StudioLive 1642
StudioLive 2442
StudioLive 1602 Classic
FireStudio Project
FireStudio Mobile
FireStudio Tube
FireStudio Lightpipe
