Not getting the co-op weapons

Product: Star Wars Battlefront II
Platform:Sony Playstation 4
What is your issue related to? Challenges
Which part of it? Persistent
Summarize your bug I did the cchallengs for the new weapons but it didnt unlock? For both the heavy and assult class
What is your gamertag/PSN ID/EA Account name? Lochlanr
How often does the bug occur? Occasionally (10% - 49%)
Can you tell us the date (MM/DD/YYYY) that you saw the bug? 04/20/2020
What time did you see the bug? (HH:MM AM/PM) 10:50 Pm
In what game mode did the bug occur? Capital Supremacy
What is your time zone? GMT (UTC)
Steps: How can we find the bug ourselves? Unsure maybe try to unlock the weapons yourselfs and see of it happens
What happens when the bug occurs? I dont get the co-op weapons
What do you expect to see? My co-op weapons
Please select your region Australia
AMD or Nvidia Model Number N/A

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Help plz