I tried this report. See attachment. It doesn't make it easy to look for duplicates.I've also searched credit memo's for the number and it's "not found"
I am having the exact same issue with desktop.I create the invoice, try to save, get the popup 'it already exists"Hit keep number. Search for the number and the...
My issue was I couldn't find the confirm button. Apparently you need to have the window in full screen in order to see the options at the bottom of the screen. ...
