参考:https://forums.unrealengine.com/t/failed-to-compile-material-for-pcd3d_sm5-warning/385087
https://forums.unrealengine.com/t/failed-to-compile-material-for-platform-pcd3d-sm4/436176
报错:Failed to compile Material for platform PCD3D_SM5?.....
解决方法:在project settings中,找到 Packaging - share material shader code中,去掉勾选