The last update on 2/6/2018 fixed the issue with a majority of milesones, including this one. You should be able to claim the reward if earned appropriately.
Patch 1.2 is to be released this Monday.
Perhaps this will be fixed then.
On Monday, the 19th of February, Star Wars Battlefront II Patch 1.2 will go live across all regions and platforms. This update is both a client and server update and will require a client update. While we do not expect downtime on the server side, players will receive the update as outlined below.
February 19th, 2018
Scheduled Patch 1.2 Rollout:
Patch notes will be posted once the update is verified live. We thank you ahead of time for your patience.
