Hi,
In my first attempt the quiz failed on “not subscribed to /odom”, as seen in the attached picture.
I ran a second attempt without changing anything, and it passed the /odom subscription part, but failed later on on an inifinit loop.
I fixed the infinite loop and tried a third attempt, the solver got stuck
I tried a fourth attempt and got the /odom thing agin. same in the fifth attempt
I’d appreciate your support
Thanks
You should contact us after the 2nd or 3rd trial, so you don’t waste the attempts. Contacting us after using them all up is so 10th century 
The error you are having suggests that your code is not precise, producing different results each time. Let me check what the last issue was…
Ok thanks, waiting for your feedback
The ‘filing dispute’ process is unclear, your description says “file a dispute using the help button”, while clicking the help button opens up the discussion board. I was looking for a ‘file a dispute’ button in all the menus, and eventually opened a discussion about it since I found no other option. I didn’t file earlier because I didn’t understand what I was supposed to do. And I can see from the discussions in the board that I’m not the only one who didn’t get that.
I apologise for the confusion about the “file dispute” text. We meant contacting us in the support forum to report the problem. We will revise the text to say exactly what we mean.
Yes, that’s true, but some others get it, so it’s not a general problem. Sometimes it’s just a minor oversight, as appears to be the case here.
The problem with the odom step is that you did not use the right node name. You used odom_bridge instead of topics_quiz_node.
I have assigned you three additional trials because you have not yet viewed the solution. Please use them optimally.
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