I have been using QB online with an iPad Pro. Recently there have been problems creating and modifying invoices. QB will not let me modify the template or print. Help?

Hello and Welcome to the Community, DArm!

To troubleshoot this, please try clearing the cached app data by selecting Menu ☰, Help & Feedback, Refresh Data, and then select Refresh - after this please fully close & re-open the app and see if you're able to make the edits. 

Get back to us below if there are any issues - thanks!