Firstly make sure you are on the latest version of the App. You can do this by going to the App Store or Google Play Store and see if the latest version has been installed.
In most cases this should resolve the issue, in case it does not, please submit a support request and send the following information through.
1 - What phone you are using?
2 - What OS version are you using?
3 - What did you buy?
4 - What data is missing?