Ducati MULTISTRADA 1200 ENDURO Owner's Manual page 180

Steering unlock error - Steering still locked
The activation of this "warning" indicates that the
Hands Free System was not able to disengage the
steering lock.
Attention
In this case, Ducati recommends switching
vehicle off and on again (Key-Off / Key-On), keeping
handlebar fully turned. If warning is still present (and
steering does not "unlock"), contact a Ducati
Authorized Service Center.
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Fig 88