Samba error when scanning

I recently having problem with updating my movies/series list. I’m getting a samba error on all my files, or at least the first of the files trying to be scanned, it takes years for the scanning since it gets a error every time it tries to open a folder.

For example:

21:22:34.456 T:1405350816 ERROR: SMBDirectory->GetDirectory: Unable to open directory : ‘smb://TVDATOR/Multimedia/series/Homeland/Season%206’
unix_err:’16’ error : ‘Invalid argument’
21:22:34.456 T:1405350816 ERROR: GetDirectory – Error getting smb://TVDATOR/Multimedia/series/Homeland/Season 6/

And I have checked all permissions, and I can open the folder in Windows and play files within that folder.

I also tried to remove the video source, and had no problem with browsing to the series folder when adding it again, so the computer that have the files is accessible from Kodi.
Also tried to clean the database.

What more can I try?