Board Thread:Game Discussions/@comment-33873668-20171205153831/@comment-4199297-20171206093021

If things like clearing the app's cache/data, uninstalling and re-installing the app, shutdown and restart of the phone or transfering the bound account to a different device (and back?) don't get it unstuck, contacting Gree/Deca and hope they can fix it is the only thing you can do: https://games.gree-support.net/hc/en-us/requests/new.