Reimporting .fbx causes crash

I have an actor full of different static meshes in a scene. At the begining, i imported fbx in File->Import Into Scene. And there was no problem. Now I have revised fbx. I drag the fbx to same folder that location at the beginning for reimporitng:

When i press the Reimport button, crash happens:

How can I fix this problem? What should I do ? Thx a lot in advance.