It’s easier with box overlap as you do not need to account for multiple hits:
If you want to eliminate Z and rely on angle only, add Project Vector on to Plane node between Get Unit Direction and Rotate Vector Around Axis. Although Z can be removed in many ways. We know so little about what you’re doing - this is pretty scenario agnostic, so to speak.
Perhaps rather than saying ‘still error’ you could describe what is not working and include a screenshot of how you’ve wired it up. The link you provided is protected.