Somebody named gnappoman over at insanelymac came up with a solution for my boot0af problem:
download this file
extract Clover_v2.3k_r3270_Legacy.pkg using unpkg ( https://github.com/downloads/timdoug/unpkg/unpkg-4.5.zip )
search and copy boot1h2 to your usb drive
then reboot the target...
After successful installation with a GPT formatted Unibeast USB, I get boot0af error when I try to boot from the SSD I installed El Capitan on.
I have read about boot0af error when trying to boot from the Unibeast USB, but that is not my problem. I get the boot0af error when I try to boot...
In another thread you said this problem was solved. How did you do it? I have this problem too. USB installer boots fine with GPT. Install went fine too. After setting up system according to the guide I try to reboot into the ssd install. Then the boot0af error occurs.