You must have Lives to play match-3 levels. Each time you lose a level, you lose a Life. It takes 20 minutes to replenish one Life. You can check how many Lives you have at the top center of the screen.
You can have a maximum of 5 lives, which increases to 8 if you have purchased the Community Pass. If you run out of Lives, you can try one of the below methods to get more:
1. Refill Lives using coins.
2. Request Lives from your Community Club members.
3. Participate in events.
4. Complete tasks.
5. Receive Daily Bonus rewards.