How to Read Data from MS access Database

Tell us which one you are using and show us the error.

Preferably post a very short flow (just a few nodes) that shows the problem. Likely no-one here uses Access (I gave up with it 15 years ago), but we can look at what you are doing and see if we can see anything obvious. If you don't know how to share a flow then see this post for details - How to share code or flow json