I appreciate you contacting our QuickBooks Online Team and for performing the troubleshooting steps to fix the error message, Irish2.

We are aware of the frustration being caused and there's an open investigation about the issue.

I suggest getting back in touch with our Support Team so they can add your account to this case, INV-57948. Once added, our Engineering Team will release an update via email.

You can follow the steps above on how to contact again our Support Team. Or click the Chat live now button on the right-bottom of this page.

Once you can run the report, I'm adding this link to learn how to get more info out of your customer reports: Specific ways to customise your reports to get awesome insights.

I appreciated your time while we're working on the issue. Stay in touch with me on how the contact goes by commenting below. Or post again if you have other questions in QuickBooks.