Missing rewards from Call of Dragons offer

Product: EA SPORTS FC Mobile
Platform:Android Phone
What's your device's make and model? Samsung
What's your device's firmware? Android
What is your game version? 20.0.03
In what game mode did the bug occur? Store
How often does the bug occur? Every time (100%)
What happens when the bug occurs? Did not receive gems from gem offer in store.It was Call of dragons offer.
What time did you see the bug? (HH:MM AM/PM) 12:10 PM

‌

My concern is that I completed an offer in FC Mobile through the store gem offers (Call of Dragons game) but I did not receive the gems for reaching level 17 city in the said game. A chat support employee redirect ed me to this page. Can you please assist me to receive my reward. I have attached a screenshot as proof in this chat. I am ready to assist you with more information about this issue. Thank you!