Solved
Bug With Back on the Pitch: Musiala
There is a glitch in the Back on the Pitch: Musiala page. Despite acquiring the Musiala Tokens, they are not redeemable for rewards because the rewards are not selectable. There is a “GO TO EXCHANGE”...
EA says they are aware of the issue and working on it. Appears to be limited to iPads/tablets (a result of the narrower aspect ratio). So, one work around is to load the game on your phone.
Here is the main thread: https://forums.ea.com/discussions/fc-mobile-bug-reports-en/unable-to-claim-first-musiala-prize/13143817
