Im having this issue and i dont know if this forum has anything to do with it:
UATHelper: Packaging (Windows (64-bit)): ERROR: Unhandled exception: System.IO.IOException: Cannot create “X:\Documents\Unreal Projects\LanzaroteExplorer\Intermediate\Build\Win64\LanzaroteExplorer\Development\Engine” because a file or directory with the same name already exists.