Solved! Go to Solution.
You can try rebuilding the database in PS4 safe mode
Alternatively you can try purchasing through the web store
Check your test internet connection results to see if this is not a local network issue
Also, make sure you have the latest PS4 firmware installed.
I am having the same exact issue and nothing worked. No initializing, rebuilding databse, reregistering game liscences nothing. Sony asked me to send in my system find out what the issue is. I also found that all my other account carts work, just not the one I want to.