Interesting that the application credential can't be created at all. Unfortunately even if you could create it, you couldn't use it because of this bug: https://bugs.launchpad.net/keystone/+bug/1773967
Interesting that the application credential can't be created at all. Unfortunately even if you could create it, you couldn't use it because of this bug: https:/ /bugs.launchpad .net/keystone/ +bug/1773967