Timelines on objects created at runtime

When creating runtime objects in firemonkey several lines appear around the object, in the image below a tlayout, when resizing the form or hovering the mouse over the line it some, it happens with Timages, Trectangles, Tlayouts and other components.

Would Anyone know how to solve this error in the interface?

Tlayout appearing rows

error in object created at runtime

Tlayout after resizing form

insert the description of the image here

lay:= TLayout.Create(Rectangle);
lay.BeginUpdate;
lay.Parent:= Rectangle;
lay.Align:= TAlignLayout.client;
lay.EndUpdate;
Author: Beatriz Duarte, 2020-06-24