What is the ruling if the two witnesses did not hear the woman giving her consent to the marriage?

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Check below answers in case you are looking for other related questions:
The second witness was not present when the marriage contract was done; is his marriage valid?
Getting married in the embassy with two non-Muslim witnesses

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Related Answers:
Does he have to marry his female relative whom he touched in a haraam manner?
How can she be sure of the Islam of a person whom she wants to marry?
Marriage without the woman’s wali (guardian), and innovated divorces (talaaq bid‘i)
The second witness was not present when the marriage contract was done; is his marriage valid?
Getting married in the embassy with two non-Muslim witnesses

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