两个场景都运行不了,怎么解决......

[AWiseManIsRhys]

osgb_loader场景运行报错：EndOfStreamException: Unable to read beyond the end of the stream. basic_loader场景开始运行报错：DllNotFoundException: Mana_OpenSceneGraphLoader ManaVR.MeshLoader.Start () (at Assets/ReaderNative/MeshLoader.cs:72) ，我添加了C++的一些库后，运行还是报错：Plugins:Failed to load "Assets/Plugins/x64/Mana_OpenSceneGraphLoader.dll" because one or more of its dependencies could not be loaded