H1B USCIS case status confusion

USA H1B Visa
1

Hello all,

Recently, USCIS approved my H1B RFE premium case, my attorney had also received an Approval email confirmation from vermont center, and the status tracker showed as below:

“We approved you fotm I 129 with receipt num EAC** and emailed you an approval notice”

After 10 days the USCIS status tracker updated and shows as below currently

" On July 12, 2019, the Post Office returned a notice we sent you for your Form I-129, Petition for a Nonimmigrant Worker, Receipt Number EAC****, because they could not deliver it. This could have a serious effect on your case. Please go to www.uscis.gov/e-requestto request a copy of the notice immediately. If you move, go to www.uscis.gov/addresschange to give us your new mailing address"

I am worried now, what notice USCIS might sent me now for the approved case? Could that be denial?
Please help me.

2

Well, it is hard to know. I have not seen such thing in the past. Ask your attorney to request a copy of that or call USCIS and check. I understand your concern, but it is not in your control, so ask your attorney to follow up. Also, do let the community know, once you hear back.