I was able to set up roles for various projects and assign the default member of a couple roles to Unassigned. I tried to do this again today and the user picker will not allow me to do so. It says there are no matches.
I have checked the configuration and it is set to allow unassigned issues. We do have many unassigned issues. I am able to manually select Unassigned as an assignee.
I'm not sure what I'm missing. I am fairly new to JIRA and I don't know how to script. If I'm missing other important info please let me know.
Thanks!