The activation of this (amber yellow) "warning" indicates that the status of the battery vehicle is low.
It is activated when the battery voltage is ¼ 11.0 Volt.
Note
In this case, ducati recommends charging the battery as soon as possible with the specific device, as it is possible that the vehicle will not start.

Warning indication (alarms/signals)
Traction control (dtc) deactivatedRefitting the front wheel
When all the necessary inspections have been completed, refit the wheel as
follows.
Fit the spacers (3) and (9) to the seal rings on the sides of the wheel hub.
Install the complete wheel between the fork legs.
Lubricate the shank and thread of the wheel axle (10).
Take the pin ...
How to start the engine
With the motorcycle off and the dashboard on, the on/off switch is turned to
"run off"
With the motorcycle and dashboard on, the on/off switch is turned to "run
off".
To start the engine, simply push the on/off switch up to "run on" and press the
black start button.
...
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 ...