We don't want you to have this experience while synchronizing your bank account with QuickBooks, @myknifeandtimes-. I'd like to provide you with some background information on the problem and direct you to specialized support who can offer more help.
It appears that the error you stated above is the subject of an ongoing investigation. Don't worry; it's already been noted by our product developers, who are working to resolve it as quickly as possible.
I suggest contacting our Customer Support staff in the meantime. Your account will be added to the list of users who are affected in this way. We'll also send you an email alert if there are any updates to the case.
If everything is back to normal, feel free to browse this guide about handling downloaded transactions in QBO: Categorize and match online bank transactions in QuickBooks Online
Don't hesitate to get back to us if you need any more help with banking or QuickBooks in particular. Take the best care!
