Back up first. Create the empty package that you want to send things to (maybe you want to split foliage from the rest?). Try to make some sense into what this package will contain. Then right click the file you want to move and choose rename, and just change the package name and it will go to the new one. Save both ASAP,…
select your materials, then right click-->move/rename. change the package name, then click OK to all. They should all reappear in a new package with the same material names. Just save it up and you are good to go. *you can also do the same process with "create a copy" if you want to retain the original versions.
This may sound really stupid, but I got alot of Import Failures for no apparent reason. Later I discovered that I had renamed one of the folders in my path, which contained an invalid character. Since I'm from sweden and decided to name a folder "spelgöra". As I said, problaby isn't the issue but I'm just throwing it out…
Sometimes the editor keeps references to stuff that isn't actually in use. I believe in the UDK there is a force delete option too. If that doesn't do it, use the old approach. Rightclick - rename/move - move it to some totally unexisting package such as "aaaaaaaaaaaaaaaaaa", then save the original package but do not save…
Cheers Lamont, I am mainly looking at player collision right now, so just duplicate my cave walls and rename them for UCX like I would a normal asset or would I need to make multiple flat surfaces? (the latter would just take too much time for a cave system/tunnel + some land terrain that have been built as meshes. edit -…