Duplicating an invoice detail from one month to the next now crashes Quicken completely, in the latest version as of 2019 03 18. This feature worked in all previous versions of Quicken. Any suggestions?

Hello John, 

I want to ensure you're getting in touch with the proper support team to help you with your Quicken account. This community is specifically designed to help with QuickBooks products.

Here's how you can contact Quicken Support: https://www.quicken.com/support#windows

I'm confident that their team will get you back on track.

Have a great day!