The brain seems to be working but the controller window is read and we do not know what to do to resolve this issue.
You labeled this topic as Vex IQ, so I’ll assume the controller giving the issue is a Vex IQ controller, so the thing you called a controller window
is one of the indicator lights. Here is an article detailing the errors which can be displayed by those indicator lights:
1st gen:
2nd gen:
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