Button with “Maskable” Disabled doesn’t work behind a Rect Mask 2D. When the mask is disabled the button works perfectly and when the mask is enabled the button is visible but it loses all functionality.
This is how it looks when the mask is disabled (currently the only way to get the arrow/button to work):
Here are the components of the Transform UI (the parent UI and also the carrier of the Mask):
When the Mask is enabled and the button breakes it looks like this:
Here are the components of the Button
