Select a folder when using the export/import
function ifrom which data will be imported and check those menu options (data,
registers) you would like to import. If the file you selected to be imported
does not exist in the given folder anymore because it was moved or deleted, the
following error is returned:

Close the window clicking
.
Solution:
1. Check, whether you selected the correct folders containing data to be
imported, and try once again.
2. Check, whether you marked the correct files or not.