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 recognisedTrip 2 meter
This function shows the distance travelled since the trip meter was last
reset (in km or miles depending on the specific
application).
Press and hold (1) "s" for 3 seconds while in this function to reset the trip
odometer.
When the reading exceeds 9999.9, Distance travelled is reset and t ...
Indicator cons. Avg - average fuel consumption
This function indicates the "average" fuel consumption.
The calculation is made considering the quantity of fuel used and the km
travelled since the last trip 1 reset. When trip 1
is reset, the value is set to zero and the first available value is shown on the
display 10 seconds after the re ...
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 ...