Welcome to the Candy Crush Saga Community
Do you have a question or need help with your game? Ask the Community.
Boosters are stored locally in the device memory so they can be deleted for any reason. According to your statement, your game app was probably crashed during updating.
If you play on mobile, then please email Player Support directly from the game.
Go to the game's Start Menu, then Settings - Help Center - Purchases & Gold Bars - Contact us and send them an email.
Give it a try, if you can get some refunds.
Thank you.