Registrations have to be able to find the style. The style is not contained within a registration. If you load the registration from another keyboard you need the style and it needs to be located where it can be 'found' by your registration. If not your keyboard will substitute something else. In fact this is true for everything in the registration. If the style is custom, then you need to copy that as well then re-set up the registration on your keyboard to access it.
Mike