Hello, I wanted to reformat and do a fresh install of macOS High Sierra as i will be giving the mac to my sister. My process was Going to the CMD+ R screen Going to Disk Utilities -Erasing Macintosh HD -Rebooting and going back to CMD+R screen again -Clicking on install macOS -Clicking on install High Sierra -Once the process reached 100%, I got the error “could not create a preboot volume for APFS install” Now I am unable to install a macOS any help please? iam using MacBook Air 2017? also i tried to change Maconitsh HD to Mac extended Journal instead but i dont have that option just all AFPS related. here is a pictures from the disk utility http://ibb.co/nCQTYn thanks!