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 recognisedStored lap erase function
This function erases the stored laps.
To access the function it is necessary to view the "setting" menu", using
buttons (1) "s" or (2) "t" select the "lap"
function and press the reset button (3) to enter the following page.
Use button (1) "s" or (2) "t" to select "lap data" indication and ...
Limitations
This emission control system warranty shall not cover any
of the following:
Repair or replacement required as a result of
Accident,
Misuse,
Repairs improperly performed or replacements improperly
installed,
Use of replacement parts or accessories not conforming
to ducati specifi ...
Wiring diagram of the hands free system
The diagram illustrates the inputs, outputs and communication lines used by
the hands free system.
1I - on/off button placed on the hands free system (located below the plastic
cover)
2I - on/off button placed on the bike handlebar rh side
3I - steering position micro-switch
4I - steerin ...