editing products on front end not saving

[wendiwebgirl]

Joomla 2.5.11
VM 2.0.20b

Hello All,
I have seen many post on this subject however i cannot find a solution - no matter what I try I cannot get changes made through the frontend to save.   I have tried disabling the SEO links, I have tried with tinyMCE and none for default editor, I have super_admin set as vendor.  Can anyone please tell me why this is not working - I have spent endless hours trying to find an answer to this issue

[jenkinhill]

This is known. Should be fixed in 2.0.21h   See http://forum.virtuemart.net/index.php?topic=113276.0