Welcome to the Candy Crush Saga Community
Do you have a question or need help with your game? Ask the Community.
Level 1
The info here states that boosters are non refundable:
https://care.king.com/en/candy-crush-saga/boosters-messages-842482091
I know a players who said that removing the game from their account (via the game menu on the left) helped them to get the prizes again so give this a try. There are also more troubleshooting steps here:
https://care.king.com/en/candy-crush-saga/cant-get-your-games-to-load-on-facebook-check-this-out