The activation of this (amber yellow) "warning" indicates that dtc (ducati traction control) has been turned off.
Note
In this case, ducati recommends being very careful when riding as the vehicle behaviour will be different in comparison to when operating with the traction control activated.

Low battery level
Hands free key (hf) not recognisedRecovery procedure in the event of hands free system fault
If the hands free system can no longer communicate with the other control
units over the can network (with the
dashboard or engine on), the following icon is shown on the tank dashboard:
The following image shows the icon appearing on the tank dashboard: this
indicates that the hands free sy ...
Filling the clutch circuit
Warning
Clutch fluid will damage painted surfaces if spilled on them. It is
also very harmful if it comes into contact with the skin or
with the eyes; in the case of accidental contact, wash the affected area
thoroughly with plenty of running water.
Remove cover (1) and membrane from the clut ...
Hands free key (hf) not recognised
The activation of this (amber yellow) "warning" indicates
that the hands free system does not detect the active key
(1, fig. 62) Near the vehicle.
Note
In this case, ducati recommends checking that the
active key (1, fig. 62) Is near the vehicle (and has not been
lost) and that it f ...