Vex IQ Auopilot Program not working

Hi ,
We have built the Vex IQ bot based on instructions on this

When we goto deviceinfo and run the motors for each device they work. but when we run autopilot demo it says missing device on ports 7, 11 and 12.

When we download a program with a simple instruction to Print Hello that displays on the screen but when we put an instruction to drive forward nothing happens.

Can you please help?

Read all of this thread:

We resolved this I think - thanks!

Good! Could you say how?

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