Stoleas

Hi Thomas, We are seeing this Java stack trace on a lot of repositories when PR's are "Opened": ``` 2016-10-26 11:22:20,057 ERROR [ajp-nio-9001-exec-97] user1 *9MCSYx682x628530x4 1woafev 171.70.124.199 "GET /rest/prnfb-admin/1.0/settings/buttons/repository/91/pullrequest/1063 HTTP/1.1"...

Hi there's an issue in Bitbucket 4.3.2 where there is added Default Users and Required Users, however when you go to open a pull request the user list shows up...