We are trying to access http(s)://iportalHostname/port/pc/center/webservice/users/en-us but when we do we see a message of the below in the browser:
error on line 1 at column 1: Document is empty
When looking in the PCService.log we see:
No authorization policy provided in request: http(s)://iportalHostname/port/pc/center/webservice/users/en-us
The Administer Users role right is not enabled for the Role the user that you logged in with is using
All supported releases
Either modify or create a new role for the user in question but ensure the role right Administer Users is set for the role.