does smelling something invalidate tha fast of Ramadan ( because on 2nd Ramadan i was sleeping an have a wet dream ejaculate during deep sleep i thought my fast become void I smelled something and later came to know that ejaculation in deep sleep does not invalidate the fast ) but my friends say that since I smelled something that invalidate my fast and if so should I give qaza only or kffara will be in order to please help me fisabilillah may