Using Umodel to unpack will cause the following issues

[q50405629]

******** Loading object SkeletalMesh4'Audrey_PPM_skin.Audrey_PPM_skin' ********

ERROR: Package "PM/Content/PaperMan/SkinAssets/Characters/Audrey/S001/Mesh2D/Audrey_PPM_skin.uasset": wrong name index -1232128300 UnPackage::SerializeFName: pos=00002EEE <- TArray::Serialize: 0/1089720284 <- FReferenceSkeleton<< <- USkeletalMesh4::Serialize <- LoadObject: SkeletalMesh4'Audrey_PPM_skin.Audrey_PPM_skin', pos=2EEE, ver=518/0 (unversioned), game=ue4.25+ <- UObject::EndLoad <- LoadWholePackage: PM/Content/PaperMan/SkinAssets/Characters/Audrey/S001/Mesh2D/Audrey_PPM_skin.uasset <- ExportPackages <- UIMenuItem::HandleCommand <- UIMenu::Popup <- UIBaseDialog::WndProc <- UIBaseDialog::CustomMessageLoop <- UIBaseDialog::ShowDialog: modal=1, title="Choose a package to open" <- CUmodelApp::ShowPackageUI <- Main: umodel_build=1590

PS: Fmodel will also display error and cannot save the model