About the article version

May i know that if i unpublished a article which became a error page, how can the flexicontent replace the error page(e.g. 404) to the latest version from the Versions history of that article automatically?
Thanks!

Did you try suggestion at Joomla Docs ?:
docs.joomla.org/Creating_a_Custom_404_Error_Page

Just instead of
/index.php?option=com_content&view=article&id=75
use:
/index.php?option=com_flexicontent&view=item&id=75
or (J1.5) :
/index.php?option=com_flexicontent&view=items&id=75

To use a SEF url create a new menu ITEM of TYPE: FLEXIcontent item and link to your error 404 Article

This menu item must be published and of public access and inside a menu that is not display by a menu module

Regards

Thanks for your reply.

So can I show the previous version of that article which i unpublished/waiting for approval it?_?

I am not sure how this discussion relates to error 404 page.

Joomla or other CCKs (that i know of) do not have versioning.

- FLEXIcontent has versioning, if one of your authors changes a FLEXIcontent item (=FC extended Joomla article) and this author DOES not have publish privilege, then old version will be shown in frontend until a user that can publish "-approves-" the new version

- If an article is unpublished the old version is not shown , why should it be?? instead you get error 404, if you want to show old version then do not unpublish it, but instead
- edit it
- load a previous version
- and save it

Regards