Well that is not correct in that way. SMB Browsing (a feature of SMB1) is not available anymore since a Wannacry security update.
But adding the sources manually should still work. I think the easiest for you would be either of these to steps:
- Copy the sources.xml and passwords.xml files from your pi (folder .kodi/userdata) to the vero4k
- As an alternative use fstab based samba mounts they are also more performant Configuring fstab based Samba share mounts