Bug? After test game, pose library will turn red & lose if save .blend file.

Is it a bug? LInux, 64. Blender 2.71
After test game, pose library will turn red & lose if save .blend file.
Open the same .blend file, 2.69 and 2.70a is ok.


Anybody meet the same situation?

maybe you should hit the F button on the right of it’s name

No use, the same problem.