Welcome to the Candy Crush Saga Community
Do you have a question or need help with your game? Ask the Community.
Hi and welcome to the King Community
Please Check app update > Log out game > Restart device > Open game and Log in.
Also, in case of any problem while purchasing, you can follow the link below and you will find detailed solution steps here.
It may be that you are not properly connected to the internet on your device when it is not working. Cheers :)