plex user import fails

[phairplay]

Ombi build Version:

V 3.0.2970

Update Branch:

Open Beta

Media Sever:

Plex

Media Server Version:

Operating System:

windows 10

Ombi Applicable Logs (from /logs/ directory or the Admin page):

info: Ombi.Schedule.Jobs.Plex.PlexUserImporter[0]
      Creating Plex user
fail: Ombi.Schedule.Jobs.Plex.PlexUserImporter[2004]
      User name '' is invalid, can only contain letters or digits.

Problem Description:

unable to log in as one of my plex users, i ran the importer to see the following error in the console

Reproduction Steps:

checked plex server access
rebooted ombi yet sill unable to add plex users