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 lockedFuel tank
fuel tank
Rubber pad
Spacer
Screw
Hose
Tray
Y-fitting
Hose
Hose
Filler cap
Screw
Complete hose guide
Screw
Hose clip
Hose
Screw
Screw
Sealing washer
Screw
Flange
Sealing washer
Spare parts catalogue
Diavel abs fuel tank
Diavel abs fuel system
Diav ...
Disassembly of gear interlock plunger and pawl assembly
Unscrew the interlock plunger screw (5) and remove the seal (6), spring (7)
and the detent ball (8).
Unscrew the clutch-side crankcase half screw (3) and remove the pawl (4),
washer (2) and spring (1).
...
Refitting the clutch master cylinder assembly
Insert the clutch master cylinder assembly (3) and the clamp (6) on the left
handlebar, so that the top mating faces
match the mark (z) on the handlebar as shown.
Couple terminal (6) to the clutch master cylinder control and fix them with
the screws (v).
Tighten the retaining screws ...