Yet another issue cropping up now. The prior errors no longer appear but now this instead.
Serializing behind stopper (99DA0+A0008 > E3A7E)
FPakFile::Serialize: file=/Game/Medium/character/Animals/Ravens_Crows/Meshes/SK_Raven_Realistic.uexp <- TArray::SerializeSimple <- FStaticLODModel4::SerializeRenderItem <- TArray::Serialize: 2/3 <- USkeletalMesh4::Serialize <- LoadObject: SkeletalMesh4'SK_Raven_Realistic.SK_Raven_Realistic', pos=9B622, ver=518/0 (unversioned), game=ue4.25 <- UObject::EndLoad <- LoadWholePackage: /Game/Medium/character/Animals/Ravens_Crows/Meshes/SK_Raven_Realistic.uasset <- ExportPackages <- CUmodelApp::ShowPackageUI <- Main: umodel_build=1515 <- TryExecuteInThread: ExportTexture <- TryExecuteInThread: ExportTexture <- TryExecuteInThread: ExportTexture <- TryExecuteInThread: ExportTexture