Hey there @Sins_of_Man1! Welcome to the community! Some of the Paragon skins skeletons seem to lack the bones of the original skeleton. You may be able to merge them and retarget like this post mentions:
Hey there @Sins_of_Man1! Welcome to the community! Some of the Paragon skins skeletons seem to lack the bones of the original skeleton. You may be able to merge them and retarget like this post mentions: