[Junk Drone teleported away from player, and fell off world, no way to remove it.]

Thank You. From the provided screen shot this looks like another players drone. Are they able to still find and access it?

[Junk Drone teleported away from player, and fell off world, no way to remove it.]

Confirmed.
You should be able to turn on god mode and find the drone underground at the coordinates listed in the error.