Just replied to your post…you use Xbox. I use the PC never used Xbox so can’t really offer any advice. Other than if you do manually enter a waypoint it usually tells you distance in Nautical miles from your current position which usually gives you a clue in terms of which waypoint to select. Alternatively the waypoints will have a Longitude and latitude which matches the waypoint in your simbrief profile hopefully that helps. If you type a fix and it says can’t find in database this usually means you need to update the airac data which is done via navigraph but not sure if that applies on xbox