Have you already restored your licenses?
BF1 Standard Edition seems to be not available at the moment, only Revolution Edition.
Maybe you can download that if you already are a premium owner?
If not, please try the Android Playstation App to see if you can start your BF1 download from there.
Just checked my case.
I would have the same problem if I erased it, I bought it digital as well.
I can´t download Revolution because I own BF1.
Notifications -> Downloads in the PS4 menu shows me Battlefield 1 and every single pack, I could start downloading it from there.
You must have erased it manually from that list, mine is still showing every download since day 1.
I´m running out of ideas now ☹️
Are there settings to hide previous downloads?
Does your list show anything at all?
There´s one more thing you could try, restoring your database:
