L2 extension visa denial - urgent

Hi, my L1 and spouse L2 extn. & EAD was filed in Feb 2019 (L1 was premium processing), got RFE, replied but L1 was rejected in June. My spouse never received the denial letter (for L2 and EAD)

However as our i-94 and current visa were valid till August, so my company refiled my L1 and spouse L2 extensions in July. Decision is still pending on this.

Yesterday, my spouse received a letter from uscis with header “Decision” that her L2 extn. application was denied (this is the one that was filed in Feb 2019). It reads “Your period of authorized stay has expired. You are not authorized to remain in US.” . My spouse 180day presence in US ends in few days.

As our new application was re-filed in July 2019 (result still awaited) and the new letter is based on old case:
1. What are our options?
2. Shall my spouse leave the country or ignore this letter?
3. How do we ensure that she doesn’t get NTA (notice to appear)?
4. Any action to be taken by the attorney to correct this?