This is the very-first public version of the PaleoSea1D plugin. The plugin should normally be fully functional.
To get instructions on how to use this IFM plugin for FEFLOW, please download the author's thesis and electronic annexes (ZIP file) at http://www.ete.inrs.ca/ete/publications/theses-memoires, and then read the "Workflow...1D... .pdf" document from Annexe A8.3.