It's not in a scenario of create wallet, but open wallet.
Please check #976

It's not in a scenario of create wallet, but open wallet. Please check #976

I can't replicate it without create wallet in the same session, is not unegistered during creation, so this patch is required

Yes, you're right.
create a, create b, open a(this time it hasn't unregister a and then open a which makes duplicate wallet name)

Test pass