Most likely you are not being able to select users as you lack the Global Permission to Browse Users.
Please look at the permission at System/Global Permissions https://<YOUR-SITE>.atlassian.net/secure/admin/GlobalPermissions!default.jspa, and you probably can see that the permission is only granted to the jira-developers group which you are not a member of.
To fix this, I would suggest for you to either add yourself to the jira-developers group or add the group which you are a member of to the permission. You would then be able to search for users.
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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