Not found while reopening our self handle Catalina

Hi guys for me its very long ago that i made a build, i am trying to install catalina i made the usb put multibeast on it withous any succes i keep getting this error, (pictures)

Not found while reopening our self handeling

The setup is:
Intel core i7 6800k 3,40ghz
Ati Amd radeon rx5700
Msi x99a sli plus
Ssd formatted journaled on a mac

Author: geert