Can't claim 500 Heavy Kills reward of TL-500 & 200 credits

Product: Star Wars Battlefront II
Platform:Sony Playstation 4
What is your issue related to? General
Summarize your bug i am unable to claim my reward
What is your gamertag/PSN ID/EA Account name? Bigd552addy
How often does the bug occur? Rarely (0% - 9%)
Can you tell us the date (MM/DD/YYYY) that you saw the bug? 21/12/2017
What time did you see the bug? (HH:MM AM/PM) 10:00am
In what game mode did the bug occur? Galactic Assault
What is your time zone? CTT - GMT + 8:00
Steps: How can we find the bug ourselves? i do not know
What happens when the bug occurs? dis allows me to claim my reward
What do you expect to see? for me to able to claim my reward
Please select your region Asia
AMD or Nvidia Model Number nil

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please help