Assassin's Creed Unity 9xDVD5 CIUV2

[wit]

pakrat2k2

conversation finish for my version with 8 DVD 5 [ i use srep,exe,exe2,delta,lzma ] but when split file it have file on DVD 1 to DVD 8

DVD 1 to DVD 7 4.37 GB
DVD 8 4.23 GB

but when split file finish on DVD 1 it no have anything but DVD 2 to DVD 8 have file

DVD 1 no have anything
DVD 2 to DVD 7 4.37 GB
DVD 8 4.23 GB

on DVD 1 file Data1a missing after split file on DVD 2 have Data1b normally

how i fix this Thank