Unable to Claim completed Milestone "EL-16HFE Training Session"

Product: Star Wars Battlefront II
Platform:PC
What is your issue related to? Challenges
Which part of it? Persistent
Summarize your bug I've completed the milestone and the game won't let me collect the reward. I've had this bug for a year now and it haven't been fixed yet. If there's any way to collect my reward, please let me know 🙂
What is your gamertag/PSN ID/EA Account name? idonbad
How often does the bug occur? Often (50% - 99%)
Can you tell us the date (MM/DD/YYYY) that you saw the bug? Around a year ago
What time did you see the bug? (HH:MM AM/PM) I've got no idea
In what game mode did the bug occur? Galactic Assault
What is your time zone? EET (ART) - GMT + 2:00
Steps: How can we find the bug ourselves? If you complete the EL-16HFE Training Session milstone and the reward won't show up.
What happens when the bug occurs? I can't collect my "Reduced Recoil for EL-16HFE" milestone reward, but I've completed the milestone.
What do you expect to see? That I can't collect my reward, even tho I have completed it.
Please select your region Europe
AMD or Nvidia Model Number Geforce GTX 1060 OC

‌

I'ts annoying that this bug haven't been fixed yet, while so many people have the same issue. Please fix. The bug has been around for ages :/