Thanks for joining the thread, @melissa.

Before we dig deeper into your query, may I know what bank you're using? I'd also like to ask what troubleshooting steps you've already performed on your end.

In case you haven't tried any steps to fix the error you encountered, you can check this article to see guidelines on sorting out OL-related errors inside QuickBooks Desktop: Fix OL and OLSU Bank Feeds errors in QuickBooks Desktop.

You may also visit this handy article that contains steps to fix Web connect importing-related issues: Fix Web Connect import errors.

Moreover, feel free to check this page to learn more about handling your bank transactions inside the program: Add and match Bank Feed transactions in QuickBooks Desktop.

Don't hesitate to leave a comment below if you need further assistance fixing the error inside QuickBooks. I'll make sure to get back to you as soon as possible. Stay safe!