I have this problem me too, catalina 10.15.5 yesterday i make the update in my imac and now i have this problem with the UniBeast . What can i do now ? maybe the new catalina 10,15,5 don't support yet ?
I buy i5 9400 with graphfic 630 for now , motherboard gigabyte z390 gaming x , ram 2x8Gb corsair 2400Mhz , samsung 960 evo 500gb
for a graphics card, which one can I buy for up to 170 €?
This system are ok for install with no problems catalina?