All my customer data, invoices etc has disappeared !!! Bar one customer help!!!!

Hello Musgrove-Matt, thanks for posting on the Community page, can you please try clearing your cache and cookies to all time, close the browser down, reload it and log back in and see if your information then all shows up for you that you have entered in. If it is on the app if you can please try refreshing the app if it still doesn’t show then fully uninstall and reinstall the app.