Hello!
I have a dual boot machine running Ubuntu 16.04 and Windows 10, and my files are on a thumb drive. When working in Windows the plugin accesses the ods file without any problem:

When working in Ubuntu however, I get "Path is empty". When I rename the file by removing "s" from materials I get "The File /path/material.ods does not exist". So It appears to be finding the file, but not able to read it:

The ods file was originally saved in LibreOffice Calc. I downloaded GNUmeric and saved the ods file in "strict" and "extended" file formats to be sure the problem wasn't with LibreOffice. I have the same problem with all versions of the ods file. I have tried using the full path name on the thumb drive and from the home folder, same problem on both. When I installed SMath last week I installed mono from the Ubuntu repositories, so it should be the last stable release.
Any suggestions would be of great help!
Thanks
Dave
ms file:
MAST.sm (3 МиБ) скачан 33 раз(а).