Question by 
               martinhodler · Mar 31, 2017 at 03:08 PM · 
                unity 5guigridscrollview  
              
 
              GridLayoutGroup issue after loading scene and dynamically adding Instances
Hi,
I would like to dynamically fill a GridLayoutGroup in a ScrollView with instantiated GameObjects (Buttons). This works great if I start the game directly in the scene where the ScrollView is placed.
But if I load this scene from another one the GridLayoutGroup breaks and displays a red cross. So, I selected the GameObject with the broken GridLayoutGroup and Unity fills up my Console with the following message:
 Look rotation viewing vector is zero
 UnityEngine.Quaternion:LookRotation(Vector3, Vector3)
 UnityEditorInternal.Slider2D:CalcDeltaAlongDirections(Int32, Vector3, Vector3, Vector3, Vector3, Vector3, Single, CapFunction, Vector2, Boolean) (at C:/buildslave/unity/build/Editor/Mono/EditorHandles/Slider2D.cs:279)
 UnityEditorInternal.Slider2D:Do(Int32, Vector3, Vector3, Vector3, Vector3, Vector3, Single, CapFunction, Vector2, Boolean) (at C:/buildslave/unity/build/Editor/Mono/EditorHandles/Slider2D.cs:114)
 UnityEditor.DockArea:OnGUI()
 
               Can someone help me? Thanks!
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               Best Answer 
              
 
              Answer by martinhodler · Apr 04, 2017 at 04:26 PM
After I changed the Vertical Scrollbar > Visibility of the Scroll Rect component from Auto Hide And Expand Viewport to only Auto Hide it all works fine.
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