Welcome to the Candy Crush Saga Community
Do you have a question or need help with your game? Ask the Community.
Welcome to the King Community
Unfortunately, you don't write how it happened. Check out the link. Maybe it can help you
https://community.king.com/en/blog/discussion/177600/how-to-get-your-level-and-progress-back#latest
Hi and welcome to the community,
If you tell us little more details about which level you were playing on and what happened. Also please mention are you using facebook or king account to save your progress.
However please follow the below mentioned link to help you in recovering your progress.