How long will it take?
August 12, 2022, or August 12, 2023?
Possibly that your lawyer is not competent.
On I-751, part 3 “basis for petition” there are several check boxes. What boxes were checked?
Fill out I-751 correctly, checking the box:
1.d. [ My marriage was entered in good faith, but the marriage was terminated through divorce or annulment
And then submitting again