You can clear the cache on your device by following these steps:
- Go to your phone settings.
- Click on "Apps" or "Applications."
- Choose the game from the list.
- Click on "Storage" and then tap on "Clear Cache".

Important Note: only follow these steps if your Base is bound using one of the in-game binding methods. If your Base is not bound and you follow these steps, you might lose access to it permanently and cannot recover it.