Material in UI Panel is visible in Scene view but not in Game View

Hi, I have a wood material added to a UI Panel which shows nicely in the Scene view but in the Game View, it is just completely black. Does anyone know what I am doing wrong?

Scene View:

Game View:

Maeby a camera problem, or maeby it’s deactivated in the inspector while in playmate, also check if the position of the objects is correct and the camera is in ortographic