After first boot into High Sierra, you will see the Niresh Toolbox (a custom app). From here:
Solution: Your SATA mode is not AHCI, or the USB port is USB 3.0. Use a USB 2.0 port and check BIOS. niresh macos high sierra hackintosh dmg ingyene updated
Solution: Open Terminal (from Utilities menu) and set the date back: After first boot into High Sierra, you will
date 0101010118
Then retry the installer.
Pros:
Cons: