Thanks for joining us here in the Community, @ciaranjkmurphy.

I can see the importance of being able to pull up a VAT report. Let me share some updates regarding the issue that you've encountered when running the said report in QuickBooks Online.

I'd like to inform you that our engineers ate still investigating to identify the root cause of this matter. This way, they can apply a permanent fix.

We don't currently have a specific time frame as to when this is going to be meditated upon but rest assured we'll keep you posted. Just make sure to reach out to our Customer Care Team so that you'll be notified once any updates on this matter are made available.

Please refer to the steps shared by my peer on how to contact them. 

Your patience and understanding in this situation are much appreciated.

Get back to me if there's anything else that you need about QuickBooks. I'll be around to help.