Unity Tile Palette does not show the picture of sprite

The Tile Palette window should show sprite and looks like this:116903-2d-gk-getting-started-5-1.png
but for me tile palette does not show the sprite please help

I am having the same problem. I downloaded the tutorial and have the latest build of Unity (Unity 2018.1.1f1 Personal(64 bit)) and nothing shows up even thought I can still find the sprites and add them to the scene.alt text

Same issue…

On this thread : Tile Palette not showing tiles - Questions & Answers - Unity Discussions

They are saying that goes on the 2018.2 (BETA) resolve the problem…