The stack trace,
StackOverflowException
UnityEngine.Object.CompareBaseObjects (UnityEngine.Object lhs, UnityEngine.Object rhs) (at C:/BuildAgent/work/7535de4ca26c26ac/Runtime/ExportGenerated/Editor/UnityEngineObject.cs:47)
UnityEngine.Object.op_Inequality (UnityEngine.Object x, UnityEngine.Object y) (at C:/BuildAgent/work/7535de4ca26c26ac/Runtime/ExportGenerated/Editor/UnityEngineObject.cs:144)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:317)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isValid () (at Assets/NGUI/Scripts/UI/UISprite.cs:155)
UISprite.UpdateUVs (Boolean force) (at Assets/NGUI/Scripts/UI/UISprite.cs:383)
UISprite.GetAtlasSprite () (at Assets/NGUI/Scripts/UI/UISprite.cs:344)
UISprite.get_isV