OK so I got the updated Abyss while I went about installing the newest Tiara. My problem has now changed.
So previously I had problems with the maps right? Well I'd been using an old Tiara for some time, so the portrait at login screen wouldn't usually show itself. After I updated Abyss and Tiara, since Abyss now had a proper data folder packing, I tried that out and up until the login screen everything worked, including the data folder packing as the Tiara portrait was there. However, for some reason my client will ALWAYS stop responding after I enter my username/password if I have the updated Abyss running. So I removed the new Abyss and put the old one back in, used Data Packer to pack and started up Mabinogi. HOWEVER, this time there was NO PORTRAIT, and the maps still don't work. This leads me to believe that Data Packer is not recognising some changes, since things like cutscene, commerce imp removal, Tail/Tara tree/building swaps and sound changes are all working. The only things I've noticed missing are the login screen portrait and map swaps. Would there happen to be a different tool for packing than Data Packer?