I saw debugging lines where they shouldn't be.
The Blueprint Designer Lab).
One player uses personal robots somewhere.
The other player must enable the "show-player-robots" debug option, be in the same coordinates as the first player, but on a different surface.
To reproduce the bug, you need at least 2 players in multiplayer and some mod that adds a surface (for example, [1.1.69] "show-player-robots" debug option do not respect surface
Re: [1.1.69] "show-player-robots" debug option do not respect surface
Thanks for the report. Issue is now fixed for 1.1.70.