If Engine/Binaries/DotNET is empty, you miss the third party libraries. Extract Optional.zip, Required 1of2 and Required 2of2 into the root directory, and start GenerateProjectFiles.sh again.
If Engine/Binaries/DotNET is empty, you miss the third party libraries. Extract Optional.zip, Required 1of2 and Required 2of2 into the root directory, and start GenerateProjectFiles.sh again.