Before attempting any of the troubleshooting suggested in this article, make sure your account is linked to a secure login method.

If your account is not linked, you will very likely lose all of your progress.

You can find instructions on how to link your account here.


Error 9999 indicates that some part of your game installation is corrupt. This is commonly fixed by performing the following steps, depending on your device type:


  • Go to device setting > App > Guardian Tales
  • Select Storage > Clear Cache > Clear Data
  • Restart your device.
  • Re-download the game.


  • Hold the power button until "Slide to Power off" displays and turn it off.
  • Hold the power button until your device opens again.
  • Uninstall the game, clear your cache, and re-download the game.

If this does not fix the issue, please contact our support team by clicking the button at the bottom of the page.