Custom waypoints doesn't work in certain situations.
For example when using a waypoint such as SNT VOR (Porto Santo LPPS), as a base for the custom waypoint, it doesn't work. And I think this is due to the fact of existing multiple SNT waypoints in the database, and the selection screen appearing to select the right one.
In this last case clicking the right waypoint in the selection screen simply doesn't show the custom waypoint in the Legs page. For instance SNT261/7.5 doesn't show after selecting SNT in the selection screen.
Using a different VOR without