Request Texture UPK Manager does not export any upk file

[Thinh]

When i just remove a part of an outfit it just fine but i replace a part of an outfit which have skin of character under this part with another part of an another outfit, the UPK Manager doesn't rebuild any UPK file. There is my D, M, S, N files. Can someone help me fix this issues or show my another way to replace part of an outfit with another. Thank you!
D:
M:
N:
S:

 

[Toracooko]

When you're going to rebuild the UPK the folder with the upk's name has to be normal, for example: "0002845" it can't have the name "0002845 (edited)" or anything like that. It has to look like this under the rebuild tab.

 

[Thinh]

When you're going to rebuild the UPK the folder with the upk's name has to be normal, for example: "0002845" it can't have the name "0002845 (edited)" or anything like that. It has to look like this under the rebuild tab.

thank you, i have done this. This is the result