Add missing possible errors to ApiRollback.php

requireOnlyOneParameter was added in
I346c6ae4fc0b48c5a794c3d621018baf9bde6b9e,
without update of  the possible error list from that function call

Change-Id: Iea51b9fc54d6854541509d44fad48a99db278fff
Merge "Add missing possible errors to ApiRollback.php"