Suspension calibration always failing

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I've read very thread in this so far and I'm completely stumped.

I've successfully managed to get the car to lower about 25mm front and 20mm rear. But now every time I try to do the adaptation it always fails on the front right. It always says invalid no matter what value I enter. All other corners are happy with virtually any input I give it. Could it be a damaged sensor?

Trying to get the car as low as possible just to see how low it would go, but now I just want the light off my dash!