Unity 4.1 iOS build problem from Android

Hi,

I have developed a game in Unity 4.1 for Android .Now i want to switch from Android to iOS.I have used sprite manager for my animations in Android Build but when i am switching to iOS the Xcode is showing a thread “SpriteAnimationPump_Remove_IsSpriteAnimatable” which make my game stop on the iPad.

So suggest me that what could be the possible solution to remove this error as i don’t want to remove sprite manager from my game?

Could you share the whole error message?