To ensure that the game works as intended, it is recommended to download the latest version of the game.

This can also happen when the game has not yet downloaded the new features on your device.
Your game needs to have this information to open the feature, so it is recommended to check how much space you have on your device and remove any unused Apps so the download of content can go ahead.

The higher the level you are, the more images you have on the screen, so you need to make sure your device has enough space to download the new content.

Below are links that provide you with the steps to check the amount of storage you have: