ANSWER:

If one made an oath that he did not do something but was lying, there is no expiation for this as it is too grave and serious to be expiated.

QUESTION: A person isnt sure how many oaths they broke. They made an oath about not doing something but broke it, then took the same oath and broke it again. Other oaths were about past, i.e. they said/texted “by Allah I didn’t say/do this”, but they don’t remember if they really didn’t say/do it. The person doesn’t remember how many times both of cases happened. What should the person do?