Can you help with my quick book mobile invoicing where I have difficulty Thanks

Hello Info1788, 

Welcome to the Community page, 

What exactly is happening when you try to modify or create and invoice on our app? Do you get any error messages or codes showing up at all? 

Could you provide us with more information so we can help resolve the issue for you.  

Let's resolve the error that you've encountered with your mobile app, @info1718.

It's possible that the piled-up cache in your application caused this unusual behavior.

To resolve this, you can hit the Clear Data option in the Storage section of your mobile phone to reset the app to its default state.

Although the exact steps may vary slightly from device to device, the basic steps for clearing these settings on an Android device are the same for all devices using these steps: 

For Android:

1. Open your phone's Settings app.
2. Tap Apps & notifications and click on See all apps the app Storage.
3. Select Clear storage or Clear cache. If you don't see "Clear storage," tap Clear data.

For IOS:

1. Open Settings and swipe down and tap Safari.
2. Swipe down again and select Clear History and Website Data, click it once again to confirm.

Check this article for more information about the features available in the mobile app: Compare mobile app features.

For more information on how to receive customer payments, see this article: Receive an invoice payment using the QuickBooks Online app.

I'm here anytime you need further help in your mobile application by leaving a comment below. Take care and have a great rest of the day!