What does "position tolerance violated" mean?

[takeru hayasaka]

We are increasing the number of trials for the qualifying round.

But sometimes, for some mysterious reason, there are cases where it fails and the robot keeps spinning where it started.

We don't code that way ourselves (because the first time we do it, it's a simple forward move). I don't know if it's a problem with the simulator or our own.

So here's a question.

If you read the log in such a case

> Command message: Move goal failed with response: Position tolerance violated

> Move goal failed with response: Unable to plan a segment

It appears to be failing in the case of

Under what conditions do these occur?