VERIFIED SOLUTION i
Products affected: MapInfo Professional, MapInfo Pro™
When opening an accdb Microsoft Access file in MapInfo Professional® the following error message is encountered:
MapInfo Professional will only open flat Access database files, in this case the Microsoft Access .accdb file was linked to a second .accdb which is not supported.
ResolutionUPDATED: August 11, 2017
Make sure that the .accdb file being used does not link to a second, or more, .accdb file.