Please uninstall and reinstall the Moneytree app if there is something wrong with the app's behavior such as the screen transition does not work as usual or a popup telling a server error is showing up and you can't edit it.
[for iOS]
Long press Moneytree icon and tap "x".
Search Moneytree in AppStore and install it.
[for Android]
Search Moneytree in Google Play Store and uninstall it.
Install Moneytree again.
Uninstalling the app will delete data on your device but it will be restored after you logged in to the app again.