Per Da ruleZ
The warranty only cover quality of materials, assembly errors or reliability on a 2 year period. Does not apply to motorcycles used in competitions. If any motorcycle part is tampered with, modified, or replaced with parts other than original Ducati spare parts during the warranty period, the warranty is automatically invalidated.
Now your situation was mishandling or accident so, warranty coverage does not apply.
Unless the stand broke because a defect in the material or not assembled correctly and your bike fell off and cause the damage.
Now,, please don’t shoot the messenger.