I've searched the forums and this issue was already mentioned a few years ago. Now the old hosts can't find it, the robot can't stop.
The grassStart removing the corresponding offline host on the hosts page
NoworNeverWell, now that the state of the robot has turned into an error, at least it can be deleted.
The grassI've been trying to find out how to do this, but I can't.
NoworNeverI removed the host that was offline when I posted, the bot still couldn't stop, and a few minutes later the bot reported an error.