Trident 660 Starting Issue ...

Hello everybody,
I have a trident 660 '22 and recently i have faced this weird problem... when i park my bike on its side stand and the 1st gear is in it, when im going to start it again, i put the NEUTRAL while the side stand is still down and then i press the clutch and the start button...the bike makes a try(noise) to start but its cut like something stops it...then after 2-3 failed attemtps i put up the side stand and it starts properly... I'm so confused...any idea whats happening plz?