The activation of this (amber yellow) "warning" indicates that the engine coolant temperature is high.
It is activated when the temperature reaches 121C (250f).
Note
In this case, ducati recommends stopping and shutting off the engine immediately; make sure that the fans are working.

Low hands free key (hf) battery level
Steering release error - steering still lockedEngine setting function (engine power control)
This function customises engine power and output.
To access the function it is necessary to view the ""setting" menu", using
buttons (1) "s" or (2) "t" select the "riding
mode" function and press the reset button (3) to enter the following page.
Use button (1) "s" or (2) "t" to select the r ...
Check the engine oil pressure
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
To measure the pressure of the lubrication circuit, use the engine oil pressure
test point (19) as described below.
Disconnect the wiring connector (f) of pressure switch (1) and rem ...
Limited liability
The liability of ducati under this emission control systems
warranty is limited solely to the remedying of defects in
material or workmanship by an authorized ducati motorcycle
dealer at its place of business during customary business
hours. This warranty does not cover inconvenience or l ...