The product you are trying to use will not work on Catalina as it requires Universal Control v1.7.6 and this will not install on Catalina or any future O SX updates. Please revert the Mac back to Mojave or lower or you can also dual boot the Mac.
Link: https://support.presonus.com/hc/en-us/articles/360034790891-Apple-macOS-X-10-15-Compatibility-Statement-