Did you check sponsor or beneficiary account? It only appears on beneficiary one.
also, it does seem it takes some time in some cases for the notice to appear after the status change, I’d probably give it several hours
Got a travel authorization today! (Simple paper with date of birth, A number and passport number).
Filed April, 26, single traveler.
Submit error I’ve mentioned earlier resolved itself in a day or two.
All is set to buy tickets!
Also reached out to USCIS support this morning and was told to wait a for a call within 72 hours.
Just a minute ago somebody from USCIS called my number for just a second and dropped immediately, the phone is next to me, and I didn't even have time to answer the calls.. so frustrating..