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 recognisedRemoval the airbox and throttle body
Loosen the screws (a) and remove the plate (b) that fixes the main wiring to
the airbox.
Undo the screws (17) and remove the air pressure sensors (9) with the support
(19).
Release the hoses (c) of the air pressure sensors (9) from the tab (d) on the
airbox.
Operating on the ...
Changing bulbs
Changing the headlight bulbs
Before replacing a burnt out light bulb, ensure that the replacement bulb has
the same voltage and power rating as
specified for the lighting device in question (sect. 3 - 1.1, Lights/instrument
panel).
Warning
The halogen light bulbs in the headlight become hot ...
Operating principle
Introduction
The hands free system features two separate on/off buttons, either one of
which may be used as preferred by the rider.
For practical reasons, we recommend using the button on the handlebar rather
than the button located underneath the
plastic shield covering the hands free syst ...