TFS.WebApi.Exception : Access Denied : Read Extended users permissions

Full error:
Uncaught (in Promise) TFS.WebApi.Exception: Access Denied: XXXXX needs the following permissions on the resource Users to perform this action: ReadExtended Users

Solution
This issue occurs when the users who don’t have Organisation Admin permission try to change the access level of the users. To fix this error, Add the user to Project Collection Admin