Improperly formatted destination disk:
Jan 1 18:32:33 Dans-iMac installd[299]: ./preinstall: ===============================================
Jan 1 18:32:33 Dans-iMac installd[299]: ./preinstall: EFIFolder Pre-Install Script
Jan 1 18:32:33 Dans-iMac installd[299]: ./preinstall: ===============================================
Jan 1 18:32:33 Dans-iMac installd[299]: ./preinstall: preinstall: Path to installer....... /Users/ddavis/Desktop/MultiBeast/MultiBeast - Sierra Edition/MultiBeast.app/Contents/Resources/Clover_v2.3k_r3766-UEFI.pkg
Jan 1 18:32:33 Dans-iMac installd[299]: ./preinstall: preinstall: Path to destination..... /EFIROOTDIR
Jan 1 18:32:33 Dans-iMac installd[299]: ./preinstall: preinstall: Path to dest volume..... /
Jan 1 18:32:33 Dans-iMac installd[299]: ./preinstall: preinstall: Root of system folder... /
Jan 1 18:32:34 Dans-iMac installd[299]: ./preinstall: Error: unknown msdos format
The disk you are installing macOS on must be partitioned and formatted by macOS.