The Community in more languages
Now the forum welcomes more languages.
You'll see a green translate button in comments and discussions to turn them into English
https://community.king.com/en/blog/discussion/246638/is-your-game-crashing-on-an-ios-device
If that doesn't work then the only thing left is to uninstall the game and reinstall it again but I do have to warn you that you will lose all lives and boosters. Wait, before you uninstall, let me know if the troubleshooting works/doesn't work. I may have another idea instead of uninstalling the game.